20280780000

素因数分解:

$2^5\times 3^6\times 5^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 840

約数和(自身を含む): 81313665048

約数和(自身を除く): 61032885048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 32, 36, 39, 40, 45, 48, 50, 52, 54, 60, 65, 72, 75, 78, 80, 81, 90, 96, 100, 104, 107, 108, 117, 120, 125, 130, 135, 144, 150, 156, 160, 162, 180, 195, 200, 208, 214, 216, 225, 234, 240, 243, 250, 260, 270, 288, 300, 312, 321, 324, 325, 351, 360, 375, 390, 400, 405, 416, 428, 432, 450, 468, 480, 486, 500, 520, 535, 540, 585, 600, 624, 625, 642, 648, 650, 675, 702, 720, 729, 750, 780, 800, 810, 856, 864, 900, 936, 963, 972, 975, 1000, 1040, 1053, 1070, 1080, 1125, 1170, 1200, 1215, 1248, 1250, 1284, 1296, 1300, 1350, 1391, 1404, 1440, 1458, 1500, 1560, 1605, 1620, 1625, 1712, 1755, 1800, 1872, 1875, 1926, 1944, 1950, 2000, 2025, 2080, 2106, 2140, 2160, 2250, 2340, 2400, 2430, 2500, 2568, 2592, 2600, 2675, 2700, 2782, 2808, 2889, 2916, 2925, 3000, 3120, 3159, 3210, 3240, 3250, 3375, 3424, 3510, 3600, 3645, 3744, 3750, 3852, 3888, 3900, 4000, 4050, 4173, 4212, 4280, 4320, 4500, 4680, 4815, 4860, 4875, 5000, 5136, 5200, 5265, 5350, 5400, 5564, 5616, 5625, 5778, 5832, 5850, 6000, 6075, 6240, 6318, 6420, 6480, 6500, 6750, 6955, 7020, 7200, 7290, 7500, 7704, 7776, 7800, 8025, 8100, 8125, 8346, 8424, 8560, 8667, 8775, 9000, 9360, 9477, 9630, 9720, 9750, 10000, 10125, 10272, 10400, 10530, 10700, 10800, 11128, 11232, 11250, 11556, 11664, 11700, 12000, 12150, 12519, 12636, 12840, 12960, 13000, 13375, 13500, 13910, 14040, 14445, 14580, 14625, 15000, 15408, 15600, 15795, 16050, 16200, 16250, 16692, 16848, 16875, 17120, 17334, 17550, 18000, 18225, 18720, 18954, 19260, 19440, 19500, 20000, 20250, 20865, 21060, 21400, 21600, 22256, 22500, 23112, 23328, 23400, 24075, 24300, 24375, 25038, 25272, 25680, 26000, 26001, 26325, 26750, 27000, 27820, 28080, 28890, 29160, 29250, 30000, 30375, 30816, 31200, 31590, 32100, 32400, 32500, 33384, 33696, 33750, 34668, 34775, 35100, 36000, 36450, 37557, 37908, 38520, 38880, 39000, 40125, 40500, 41730, 42120, 42800, 43335, 43875, 44512, 45000, 46224, 46800, 47385, 48150, 48600, 48750, 50076, 50544, 50625, 51360, 52000, 52002, 52650, 53500, 54000, 55640, 56160, 57780, 58320, 58500, 60000, 60750, 62595, 63180, 64200, 64800, 65000, 66768, 66875, 67500, 69336, 69550, 70200, 72225, 72900, 73125, 75114, 75816, 77040, 78000, 78003, 78975, 80250, 81000, 83460, 84240, 85600, 86670, 87750, 90000, 91125, 92448, 93600, 94770, 96300, 97200, 97500, 100152, 101088, 101250, 104004, 104325, 105300, 107000, 108000, 111280, 112671, 115560, 116640, 117000, 120375, 121500, 125190, 126360, 128400, 130000, 130005, 131625, 133536, 133750, 135000, 138672, 139100, 140400, 144450, 145800, 146250, 150228, 151632, 151875, 154080, 156000, 156006, 157950, 160500, 162000, 166920, 168480, 173340, 173875, 175500, 180000, 182250, 187785, 189540, 192600, 194400, 195000, 200304, 200625, 202500, 208008, 208650, 210600, 214000, 216675, 219375, 222560, 225342, 231120, 234000, 236925, 240750, 243000, 250380, 252720, 256800, 260000, 260010, 263250, 267500, 270000, 277344, 278200, 280800, 288900, 291600, 292500, 300456, 303264, 303750, 312012, 312975, 315900, 321000, 324000, 333840, 338013, 346680, 347750, 351000, 361125, 364500, 375570, 379080, 385200, 390000, 390015, 394875, 400608, 401250, 405000, 416016, 417300, 421200, 428000, 433350, 438750, 450684, 455625, 462240, 468000, 473850, 481500, 486000, 500760, 505440, 520020, 521625, 526500, 535000, 540000, 556400, 563355, 577800, 583200, 585000, 600912, 601875, 607500, 624024, 625950, 631800, 642000, 650025, 658125, 667680, 676026, 693360, 695500, 702000, 722250, 729000, 751140, 758160, 770400, 780000, 780030, 789750, 802500, 810000, 832032, 834600, 842400, 866700, 869375, 877500, 901368, 911250, 938925, 947700, 963000, 972000, 1001520, 1014039, 1040040, 1043250, 1053000, 1070000, 1083375, 1112800, 1126710, 1155600, 1170000, 1184625, 1201824, 1203750, 1215000, 1248048, 1251900, 1263600, 1284000, 1300050, 1316250, 1352052, 1386720, 1391000, 1404000, 1444500, 1458000, 1502280, 1516320, 1560060, 1564875, 1579500, 1605000, 1620000, 1669200, 1690065, 1733400, 1738750, 1755000, 1802736, 1805625, 1822500, 1877850, 1895400, 1926000, 1950075, 1974375, 2003040, 2028078, 2080080, 2086500, 2106000, 2140000, 2166750, 2253420, 2311200, 2340000, 2369250, 2407500, 2430000, 2496096, 2503800, 2527200, 2600100, 2608125, 2632500, 2704104, 2782000, 2816775, 2889000, 2916000, 3004560, 3120120, 3129750, 3159000, 3210000, 3250125, 3338400, 3380130, 3466800, 3477500, 3510000, 3605472, 3611250, 3645000, 3755700, 3790800, 3852000, 3900150, 3948750, 4056156, 4160160, 4173000, 4212000, 4333500, 4506840, 4694625, 4738500, 4815000, 4860000, 5007600, 5070195, 5200200, 5216250, 5265000, 5408208, 5416875, 5564000, 5633550, 5778000, 5923125, 6009120, 6240240, 6259500, 6318000, 6420000, 6500250, 6760260, 6933600, 6955000, 7020000, 7222500, 7290000, 7511400, 7581600, 7800300, 7824375, 7897500, 8112312, 8346000, 8450325, 8667000, 9013680, 9389250, 9477000, 9630000, 9750375, 10015200, 10140390, 10400400, 10432500, 10530000, 10816416, 10833750, 11267100, 11556000, 11846250, 12480480, 12519000, 12636000, 13000500, 13520520, 13910000, 14083875, 14445000, 14580000, 15022800, 15600600, 15648750, 15795000, 16224624, 16250625, 16692000, 16900650, 17334000, 18027360, 18778500, 18954000, 19260000, 19500750, 20280780, 20800800, 20865000, 21060000, 21667500, 22534200, 23473125, 23692500, 25038000, 25350975, 26001000, 27041040, 27820000, 28167750, 28890000, 30045600, 31201200, 31297500, 31590000, 32449248, 32501250, 33801300, 34668000, 37557000, 37908000, 39001500, 40561560, 41730000, 42251625, 43335000, 45068400, 46946250, 47385000, 48751875, 50076000, 50701950, 52002000, 54082080, 56335500, 57780000, 62402400, 62595000, 63180000, 65002500, 67602600, 70419375, 75114000, 78003000, 81123120, 83460000, 84503250, 86670000, 90136800, 93892500, 94770000, 97503750, 101403900, 104004000, 112671000, 125190000, 126754875, 130005000, 135205200, 140838750, 150228000, 156006000, 162246240, 169006500, 173340000, 187785000, 189540000, 195007500, 202807800, 211258125, 225342000, 250380000, 253509750, 260010000, 270410400, 281677500, 312012000, 338013000, 375570000, 390015000, 405615600, 422516250, 450684000, 507019500, 520020000, 563355000, 633774375, 676026000, 751140000, 780030000, 811231200, 845032500, 1014039000, 1126710000, 1267548750, 1352052000, 1560060000, 1690065000, 2028078000, 2253420000, 2535097500, 3380130000, 4056156000, 5070195000, 6760260000, 10140390000, 20280780000]

約数ペア:

[(1, 20280780000), (2, 10140390000), (3, 6760260000), (4, 5070195000), (5, 4056156000), (6, 3380130000), (8, 2535097500), (9, 2253420000), (10, 2028078000), (12, 1690065000), (13, 1560060000), (15, 1352052000), (16, 1267548750), (18, 1126710000), (20, 1014039000), (24, 845032500), (25, 811231200), (26, 780030000), (27, 751140000), (30, 676026000), (32, 633774375), (36, 563355000), (39, 520020000), (40, 507019500), (45, 450684000), (48, 422516250), (50, 405615600), (52, 390015000), (54, 375570000), (60, 338013000), (65, 312012000), (72, 281677500), (75, 270410400), (78, 260010000), (80, 253509750), (81, 250380000), (90, 225342000), (96, 211258125), (100, 202807800), (104, 195007500), (107, 189540000), (108, 187785000), (117, 173340000), (120, 169006500), (125, 162246240), (130, 156006000), (135, 150228000), (144, 140838750), (150, 135205200), (156, 130005000), (160, 126754875), (162, 125190000), (180, 112671000), (195, 104004000), (200, 101403900), (208, 97503750), (214, 94770000), (216, 93892500), (225, 90136800), (234, 86670000), (240, 84503250), (243, 83460000), (250, 81123120), (260, 78003000), (270, 75114000), (288, 70419375), (300, 67602600), (312, 65002500), (321, 63180000), (324, 62595000), (325, 62402400), (351, 57780000), (360, 56335500), (375, 54082080), (390, 52002000), (400, 50701950), (405, 50076000), (416, 48751875), (428, 47385000), (432, 46946250), (450, 45068400), (468, 43335000), (480, 42251625), (486, 41730000), (500, 40561560), (520, 39001500), (535, 37908000), (540, 37557000), (585, 34668000), (600, 33801300), (624, 32501250), (625, 32449248), (642, 31590000), (648, 31297500), (650, 31201200), (675, 30045600), (702, 28890000), (720, 28167750), (729, 27820000), (750, 27041040), (780, 26001000), (800, 25350975), (810, 25038000), (856, 23692500), (864, 23473125), (900, 22534200), (936, 21667500), (963, 21060000), (972, 20865000), (975, 20800800), (1000, 20280780), (1040, 19500750), (1053, 19260000), (1070, 18954000), (1080, 18778500), (1125, 18027360), (1170, 17334000), (1200, 16900650), (1215, 16692000), (1248, 16250625), (1250, 16224624), (1284, 15795000), (1296, 15648750), (1300, 15600600), (1350, 15022800), (1391, 14580000), (1404, 14445000), (1440, 14083875), (1458, 13910000), (1500, 13520520), (1560, 13000500), (1605, 12636000), (1620, 12519000), (1625, 12480480), (1712, 11846250), (1755, 11556000), (1800, 11267100), (1872, 10833750), (1875, 10816416), (1926, 10530000), (1944, 10432500), (1950, 10400400), (2000, 10140390), (2025, 10015200), (2080, 9750375), (2106, 9630000), (2140, 9477000), (2160, 9389250), (2250, 9013680), (2340, 8667000), (2400, 8450325), (2430, 8346000), (2500, 8112312), (2568, 7897500), (2592, 7824375), (2600, 7800300), (2675, 7581600), (2700, 7511400), (2782, 7290000), (2808, 7222500), (2889, 7020000), (2916, 6955000), (2925, 6933600), (3000, 6760260), (3120, 6500250), (3159, 6420000), (3210, 6318000), (3240, 6259500), (3250, 6240240), (3375, 6009120), (3424, 5923125), (3510, 5778000), (3600, 5633550), (3645, 5564000), (3744, 5416875), (3750, 5408208), (3852, 5265000), (3888, 5216250), (3900, 5200200), (4000, 5070195), (4050, 5007600), (4173, 4860000), (4212, 4815000), (4280, 4738500), (4320, 4694625), (4500, 4506840), (4680, 4333500), (4815, 4212000), (4860, 4173000), (4875, 4160160), (5000, 4056156), (5136, 3948750), (5200, 3900150), (5265, 3852000), (5350, 3790800), (5400, 3755700), (5564, 3645000), (5616, 3611250), (5625, 3605472), (5778, 3510000), (5832, 3477500), (5850, 3466800), (6000, 3380130), (6075, 3338400), (6240, 3250125), (6318, 3210000), (6420, 3159000), (6480, 3129750), (6500, 3120120), (6750, 3004560), (6955, 2916000), (7020, 2889000), (7200, 2816775), (7290, 2782000), (7500, 2704104), (7704, 2632500), (7776, 2608125), (7800, 2600100), (8025, 2527200), (8100, 2503800), (8125, 2496096), (8346, 2430000), (8424, 2407500), (8560, 2369250), (8667, 2340000), (8775, 2311200), (9000, 2253420), (9360, 2166750), (9477, 2140000), (9630, 2106000), (9720, 2086500), (9750, 2080080), (10000, 2028078), (10125, 2003040), (10272, 1974375), (10400, 1950075), (10530, 1926000), (10700, 1895400), (10800, 1877850), (11128, 1822500), (11232, 1805625), (11250, 1802736), (11556, 1755000), (11664, 1738750), (11700, 1733400), (12000, 1690065), (12150, 1669200), (12519, 1620000), (12636, 1605000), (12840, 1579500), (12960, 1564875), (13000, 1560060), (13375, 1516320), (13500, 1502280), (13910, 1458000), (14040, 1444500), (14445, 1404000), (14580, 1391000), (14625, 1386720), (15000, 1352052), (15408, 1316250), (15600, 1300050), (15795, 1284000), (16050, 1263600), (16200, 1251900), (16250, 1248048), (16692, 1215000), (16848, 1203750), (16875, 1201824), (17120, 1184625), (17334, 1170000), (17550, 1155600), (18000, 1126710), (18225, 1112800), (18720, 1083375), (18954, 1070000), (19260, 1053000), (19440, 1043250), (19500, 1040040), (20000, 1014039), (20250, 1001520), (20865, 972000), (21060, 963000), (21400, 947700), (21600, 938925), (22256, 911250), (22500, 901368), (23112, 877500), (23328, 869375), (23400, 866700), (24075, 842400), (24300, 834600), (24375, 832032), (25038, 810000), (25272, 802500), (25680, 789750), (26000, 780030), (26001, 780000), (26325, 770400), (26750, 758160), (27000, 751140), (27820, 729000), (28080, 722250), (28890, 702000), (29160, 695500), (29250, 693360), (30000, 676026), (30375, 667680), (30816, 658125), (31200, 650025), (31590, 642000), (32100, 631800), (32400, 625950), (32500, 624024), (33384, 607500), (33696, 601875), (33750, 600912), (34668, 585000), (34775, 583200), (35100, 577800), (36000, 563355), (36450, 556400), (37557, 540000), (37908, 535000), (38520, 526500), (38880, 521625), (39000, 520020), (40125, 505440), (40500, 500760), (41730, 486000), (42120, 481500), (42800, 473850), (43335, 468000), (43875, 462240), (44512, 455625), (45000, 450684), (46224, 438750), (46800, 433350), (47385, 428000), (48150, 421200), (48600, 417300), (48750, 416016), (50076, 405000), (50544, 401250), (50625, 400608), (51360, 394875), (52000, 390015), (52002, 390000), (52650, 385200), (53500, 379080), (54000, 375570), (55640, 364500), (56160, 361125), (57780, 351000), (58320, 347750), (58500, 346680), (60000, 338013), (60750, 333840), (62595, 324000), (63180, 321000), (64200, 315900), (64800, 312975), (65000, 312012), (66768, 303750), (66875, 303264), (67500, 300456), (69336, 292500), (69550, 291600), (70200, 288900), (72225, 280800), (72900, 278200), (73125, 277344), (75114, 270000), (75816, 267500), (77040, 263250), (78000, 260010), (78003, 260000), (78975, 256800), (80250, 252720), (81000, 250380), (83460, 243000), (84240, 240750), (85600, 236925), (86670, 234000), (87750, 231120), (90000, 225342), (91125, 222560), (92448, 219375), (93600, 216675), (94770, 214000), (96300, 210600), (97200, 208650), (97500, 208008), (100152, 202500), (101088, 200625), (101250, 200304), (104004, 195000), (104325, 194400), (105300, 192600), (107000, 189540), (108000, 187785), (111280, 182250), (112671, 180000), (115560, 175500), (116640, 173875), (117000, 173340), (120375, 168480), (121500, 166920), (125190, 162000), (126360, 160500), (128400, 157950), (130000, 156006), (130005, 156000), (131625, 154080), (133536, 151875), (133750, 151632), (135000, 150228), (138672, 146250), (139100, 145800), (140400, 144450)]