20988645480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 640

約数和(自身を含む): 80607605760

約数和(自身を除く): 59618960280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 31, 33, 36, 40, 44, 45, 54, 55, 60, 62, 66, 72, 81, 88, 90, 93, 99, 108, 110, 120, 121, 124, 132, 135, 155, 157, 162, 165, 180, 186, 198, 216, 220, 242, 248, 264, 270, 279, 297, 310, 314, 324, 330, 341, 360, 363, 372, 396, 405, 440, 465, 471, 484, 495, 540, 558, 594, 605, 620, 628, 648, 660, 682, 726, 744, 785, 792, 810, 837, 891, 930, 942, 968, 990, 1023, 1080, 1089, 1116, 1188, 1210, 1240, 1256, 1320, 1331, 1364, 1395, 1413, 1452, 1485, 1570, 1620, 1674, 1705, 1727, 1782, 1815, 1860, 1884, 1980, 2046, 2178, 2232, 2355, 2376, 2420, 2511, 2662, 2728, 2790, 2826, 2904, 2970, 3069, 3140, 3240, 3267, 3348, 3410, 3454, 3564, 3630, 3720, 3751, 3768, 3960, 3993, 4092, 4185, 4239, 4356, 4455, 4710, 4840, 4867, 5022, 5115, 5181, 5324, 5445, 5580, 5652, 5940, 6138, 6280, 6534, 6655, 6696, 6820, 6908, 7065, 7128, 7260, 7502, 7986, 8184, 8370, 8478, 8635, 8712, 8910, 9207, 9420, 9734, 9801, 10044, 10230, 10362, 10648, 10890, 11160, 11253, 11304, 11880, 11979, 12276, 12555, 12717, 13068, 13310, 13640, 13816, 14130, 14520, 14601, 15004, 15345, 15543, 15972, 16335, 16740, 16956, 17270, 17820, 18414, 18755, 18840, 18997, 19468, 19602, 19965, 20088, 20460, 20724, 21195, 21780, 22506, 23958, 24335, 24552, 25110, 25434, 25905, 26136, 26620, 27621, 28260, 29202, 30008, 30690, 31086, 31944, 32670, 33480, 33759, 33912, 34540, 35640, 35937, 36828, 37510, 37994, 38936, 39204, 39930, 40920, 41261, 41448, 42390, 43560, 43803, 45012, 46035, 46629, 47916, 48670, 49005, 50220, 50868, 51810, 53240, 53537, 55242, 56265, 56520, 56991, 58404, 59895, 61380, 62172, 63585, 65340, 67518, 69080, 71874, 73005, 73656, 75020, 75988, 77715, 78408, 79860, 82522, 84780, 87606, 90024, 92070, 93258, 94985, 95832, 97340, 98010, 100440, 101277, 101736, 103620, 107074, 107811, 110484, 112530, 113982, 116808, 119790, 122760, 123783, 124344, 127170, 130680, 131409, 135036, 138105, 139887, 143748, 146010, 150040, 151976, 155430, 159720, 160611, 165044, 168795, 169560, 170973, 175212, 179685, 184140, 186516, 189970, 194680, 196020, 202554, 206305, 207240, 208967, 214148, 215622, 219015, 220968, 225060, 227964, 233145, 239580, 247566, 254340, 262818, 267685, 270072, 276210, 279774, 284955, 287496, 292020, 303831, 310860, 321222, 330088, 337590, 341946, 350424, 359370, 368280, 371349, 373032, 379940, 392040, 394227, 405108, 412610, 417934, 428296, 431244, 438030, 450120, 455928, 466290, 479160, 481833, 495132, 506385, 508680, 512919, 525636, 535370, 539055, 552420, 559548, 569910, 584040, 588907, 607662, 618915, 621720, 626901, 642444, 657045, 675180, 683892, 699435, 718740, 742698, 759880, 788454, 803055, 810216, 825220, 835868, 854865, 862488, 876060, 932580, 963666, 990264, 1012770, 1025838, 1044835, 1051272, 1070740, 1078110, 1104840, 1114047, 1119096, 1139820, 1177814, 1215324, 1237830, 1253802, 1284888, 1314090, 1350360, 1367784, 1398870, 1437480, 1445499, 1485396, 1519155, 1538757, 1576908, 1606110, 1650440, 1671736, 1709730, 1752120, 1766721, 1856745, 1865160, 1880703, 1927332, 1971135, 2025540, 2051676, 2089670, 2141480, 2156220, 2228094, 2279640, 2355628, 2409165, 2430648, 2475660, 2507604, 2564595, 2628180, 2797740, 2890998, 2944535, 2970792, 3038310, 3077514, 3134505, 3153816, 3212220, 3342141, 3419460, 3533442, 3713490, 3761406, 3854664, 3942270, 4051080, 4103352, 4179340, 4312440, 4336497, 4456188, 4711256, 4818330, 4951320, 5015208, 5129190, 5256360, 5300163, 5570235, 5595480, 5642109, 5781996, 5889070, 6076620, 6155028, 6269010, 6424440, 6477977, 6684282, 6838920, 7066884, 7227495, 7426980, 7522812, 7693785, 7884540, 8358680, 8672994, 8833605, 8912376, 9403515, 9636660, 10258380, 10600326, 11140470, 11284218, 11563992, 11778140, 12153240, 12310056, 12538020, 12955954, 13368564, 14133768, 14454990, 14853960, 15045624, 15387570, 15769080, 15900489, 16710705, 16926327, 17345988, 17667210, 18807030, 19273320, 19433931, 20516760, 21200652, 21682485, 22280940, 22568436, 23556280, 25076040, 25911908, 26500815, 26737128, 28210545, 28909980, 30775140, 31800978, 32389885, 33421410, 33852654, 34691976, 35334420, 37614060, 38867862, 42401304, 43364970, 44561880, 45136872, 47701467, 51823816, 53001630, 56421090, 57819960, 58301793, 61550280, 63601956, 64779770, 66842820, 67705308, 70668840, 75228120, 77735724, 79502445, 84631635, 86729940, 95402934, 97169655, 106003260, 112842180, 116603586, 127203912, 129559540, 133685640, 135410616, 155471448, 159004890, 169263270, 173459880, 174905379, 190805868, 194339310, 212006520, 225684360, 233207172, 238507335, 259119080, 291508965, 318009780, 338526540, 349810758, 381611736, 388678620, 466414344, 477014670, 524716137, 583017930, 636019560, 677053080, 699621516, 777357240, 874526895, 954029340, 1049432274, 1166035860, 1399243032, 1749053790, 1908058680, 2098864548, 2332071720, 2623580685, 3498107580, 4197729096, 5247161370, 6996215160, 10494322740, 20988645480]

約数ペア:

[(1, 20988645480), (2, 10494322740), (3, 6996215160), (4, 5247161370), (5, 4197729096), (6, 3498107580), (8, 2623580685), (9, 2332071720), (10, 2098864548), (11, 1908058680), (12, 1749053790), (15, 1399243032), (18, 1166035860), (20, 1049432274), (22, 954029340), (24, 874526895), (27, 777357240), (30, 699621516), (31, 677053080), (33, 636019560), (36, 583017930), (40, 524716137), (44, 477014670), (45, 466414344), (54, 388678620), (55, 381611736), (60, 349810758), (62, 338526540), (66, 318009780), (72, 291508965), (81, 259119080), (88, 238507335), (90, 233207172), (93, 225684360), (99, 212006520), (108, 194339310), (110, 190805868), (120, 174905379), (121, 173459880), (124, 169263270), (132, 159004890), (135, 155471448), (155, 135410616), (157, 133685640), (162, 129559540), (165, 127203912), (180, 116603586), (186, 112842180), (198, 106003260), (216, 97169655), (220, 95402934), (242, 86729940), (248, 84631635), (264, 79502445), (270, 77735724), (279, 75228120), (297, 70668840), (310, 67705308), (314, 66842820), (324, 64779770), (330, 63601956), (341, 61550280), (360, 58301793), (363, 57819960), (372, 56421090), (396, 53001630), (405, 51823816), (440, 47701467), (465, 45136872), (471, 44561880), (484, 43364970), (495, 42401304), (540, 38867862), (558, 37614060), (594, 35334420), (605, 34691976), (620, 33852654), (628, 33421410), (648, 32389885), (660, 31800978), (682, 30775140), (726, 28909980), (744, 28210545), (785, 26737128), (792, 26500815), (810, 25911908), (837, 25076040), (891, 23556280), (930, 22568436), (942, 22280940), (968, 21682485), (990, 21200652), (1023, 20516760), (1080, 19433931), (1089, 19273320), (1116, 18807030), (1188, 17667210), (1210, 17345988), (1240, 16926327), (1256, 16710705), (1320, 15900489), (1331, 15769080), (1364, 15387570), (1395, 15045624), (1413, 14853960), (1452, 14454990), (1485, 14133768), (1570, 13368564), (1620, 12955954), (1674, 12538020), (1705, 12310056), (1727, 12153240), (1782, 11778140), (1815, 11563992), (1860, 11284218), (1884, 11140470), (1980, 10600326), (2046, 10258380), (2178, 9636660), (2232, 9403515), (2355, 8912376), (2376, 8833605), (2420, 8672994), (2511, 8358680), (2662, 7884540), (2728, 7693785), (2790, 7522812), (2826, 7426980), (2904, 7227495), (2970, 7066884), (3069, 6838920), (3140, 6684282), (3240, 6477977), (3267, 6424440), (3348, 6269010), (3410, 6155028), (3454, 6076620), (3564, 5889070), (3630, 5781996), (3720, 5642109), (3751, 5595480), (3768, 5570235), (3960, 5300163), (3993, 5256360), (4092, 5129190), (4185, 5015208), (4239, 4951320), (4356, 4818330), (4455, 4711256), (4710, 4456188), (4840, 4336497), (4867, 4312440), (5022, 4179340), (5115, 4103352), (5181, 4051080), (5324, 3942270), (5445, 3854664), (5580, 3761406), (5652, 3713490), (5940, 3533442), (6138, 3419460), (6280, 3342141), (6534, 3212220), (6655, 3153816), (6696, 3134505), (6820, 3077514), (6908, 3038310), (7065, 2970792), (7128, 2944535), (7260, 2890998), (7502, 2797740), (7986, 2628180), (8184, 2564595), (8370, 2507604), (8478, 2475660), (8635, 2430648), (8712, 2409165), (8910, 2355628), (9207, 2279640), (9420, 2228094), (9734, 2156220), (9801, 2141480), (10044, 2089670), (10230, 2051676), (10362, 2025540), (10648, 1971135), (10890, 1927332), (11160, 1880703), (11253, 1865160), (11304, 1856745), (11880, 1766721), (11979, 1752120), (12276, 1709730), (12555, 1671736), (12717, 1650440), (13068, 1606110), (13310, 1576908), (13640, 1538757), (13816, 1519155), (14130, 1485396), (14520, 1445499), (14601, 1437480), (15004, 1398870), (15345, 1367784), (15543, 1350360), (15972, 1314090), (16335, 1284888), (16740, 1253802), (16956, 1237830), (17270, 1215324), (17820, 1177814), (18414, 1139820), (18755, 1119096), (18840, 1114047), (18997, 1104840), (19468, 1078110), (19602, 1070740), (19965, 1051272), (20088, 1044835), (20460, 1025838), (20724, 1012770), (21195, 990264), (21780, 963666), (22506, 932580), (23958, 876060), (24335, 862488), (24552, 854865), (25110, 835868), (25434, 825220), (25905, 810216), (26136, 803055), (26620, 788454), (27621, 759880), (28260, 742698), (29202, 718740), (30008, 699435), (30690, 683892), (31086, 675180), (31944, 657045), (32670, 642444), (33480, 626901), (33759, 621720), (33912, 618915), (34540, 607662), (35640, 588907), (35937, 584040), (36828, 569910), (37510, 559548), (37994, 552420), (38936, 539055), (39204, 535370), (39930, 525636), (40920, 512919), (41261, 508680), (41448, 506385), (42390, 495132), (43560, 481833), (43803, 479160), (45012, 466290), (46035, 455928), (46629, 450120), (47916, 438030), (48670, 431244), (49005, 428296), (50220, 417934), (50868, 412610), (51810, 405108), (53240, 394227), (53537, 392040), (55242, 379940), (56265, 373032), (56520, 371349), (56991, 368280), (58404, 359370), (59895, 350424), (61380, 341946), (62172, 337590), (63585, 330088), (65340, 321222), (67518, 310860), (69080, 303831), (71874, 292020), (73005, 287496), (73656, 284955), (75020, 279774), (75988, 276210), (77715, 270072), (78408, 267685), (79860, 262818), (82522, 254340), (84780, 247566), (87606, 239580), (90024, 233145), (92070, 227964), (93258, 225060), (94985, 220968), (95832, 219015), (97340, 215622), (98010, 214148), (100440, 208967), (101277, 207240), (101736, 206305), (103620, 202554), (107074, 196020), (107811, 194680), (110484, 189970), (112530, 186516), (113982, 184140), (116808, 179685), (119790, 175212), (122760, 170973), (123783, 169560), (124344, 168795), (127170, 165044), (130680, 160611), (131409, 159720), (135036, 155430), (138105, 151976), (139887, 150040), (143748, 146010)]