20818900800

素因数分解:

$2^6\times 3^3\times 5^2\times {\mathrm{23}}^2\times {\mathrm{911}}^1$

素因数の和:988

約数の個数: 504

約数和(自身を含む): 79422833280

約数和(自身を除く): 58603932480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 27, 30, 32, 36, 40, 45, 46, 48, 50, 54, 60, 64, 69, 72, 75, 80, 90, 92, 96, 100, 108, 115, 120, 135, 138, 144, 150, 160, 180, 184, 192, 200, 207, 216, 225, 230, 240, 270, 276, 288, 300, 320, 345, 360, 368, 400, 414, 432, 450, 460, 480, 529, 540, 552, 575, 576, 600, 621, 675, 690, 720, 736, 800, 828, 864, 900, 911, 920, 960, 1035, 1058, 1080, 1104, 1150, 1200, 1242, 1350, 1380, 1440, 1472, 1587, 1600, 1656, 1725, 1728, 1800, 1822, 1840, 2070, 2116, 2160, 2208, 2300, 2400, 2484, 2645, 2700, 2733, 2760, 2880, 3105, 3174, 3312, 3450, 3600, 3644, 3680, 4140, 4232, 4320, 4416, 4555, 4600, 4761, 4800, 4968, 5175, 5290, 5400, 5466, 5520, 6210, 6348, 6624, 6900, 7200, 7288, 7360, 7935, 8199, 8280, 8464, 8640, 9110, 9200, 9522, 9936, 10350, 10580, 10800, 10932, 11040, 12420, 12696, 13225, 13248, 13665, 13800, 14283, 14400, 14576, 15525, 15870, 16398, 16560, 16928, 18220, 18400, 19044, 19872, 20700, 20953, 21160, 21600, 21864, 22080, 22775, 23805, 24597, 24840, 25392, 26450, 27330, 27600, 28566, 29152, 31050, 31740, 32796, 33120, 33856, 36440, 36800, 38088, 39675, 39744, 40995, 41400, 41906, 42320, 43200, 43728, 45550, 47610, 49194, 49680, 50784, 52900, 54660, 55200, 57132, 58304, 62100, 62859, 63480, 65592, 66240, 68325, 71415, 72880, 76176, 79350, 81990, 82800, 83812, 84640, 87456, 91100, 95220, 98388, 99360, 101568, 104765, 105800, 109320, 110400, 114264, 119025, 122985, 124200, 125718, 126960, 131184, 136650, 142830, 145760, 152352, 158700, 163980, 165600, 167624, 169280, 174912, 182200, 188577, 190440, 196776, 198720, 204975, 209530, 211600, 218640, 228528, 238050, 245970, 248400, 251436, 253920, 262368, 273300, 285660, 291520, 304704, 314295, 317400, 327960, 331200, 335248, 357075, 364400, 377154, 380880, 393552, 409950, 419060, 423200, 437280, 457056, 476100, 481919, 491940, 496800, 502872, 507840, 523825, 524736, 546600, 565731, 571320, 614925, 628590, 634800, 655920, 670496, 714150, 728800, 754308, 761760, 787104, 819900, 838120, 846400, 874560, 914112, 942885, 952200, 963838, 983880, 993600, 1005744, 1047650, 1093200, 1131462, 1142640, 1229850, 1257180, 1269600, 1311840, 1340992, 1428300, 1445757, 1457600, 1508616, 1523520, 1571475, 1574208, 1639800, 1676240, 1885770, 1904400, 1927676, 1967760, 2011488, 2095300, 2186400, 2262924, 2285280, 2409595, 2459700, 2514360, 2539200, 2623680, 2828655, 2856600, 2891514, 3017232, 3142950, 3279600, 3352480, 3771540, 3808800, 3855352, 3935520, 4022976, 4190600, 4337271, 4372800, 4525848, 4570560, 4714425, 4819190, 4919400, 5028720, 5657310, 5713200, 5783028, 6034464, 6285900, 6559200, 6704960, 7228785, 7543080, 7617600, 7710704, 7871040, 8381200, 8674542, 9051696, 9428850, 9638380, 9838800, 10057440, 11314620, 11426400, 11566056, 12047975, 12068928, 12571800, 13011813, 13118400, 14143275, 14457570, 15086160, 15421408, 16762400, 17349084, 18103392, 18857700, 19276760, 19677600, 20114880, 21686355, 22629240, 22852800, 23132112, 24095950, 25143600, 26023626, 28286550, 28915140, 30172320, 30842816, 33524800, 34698168, 36143925, 36206784, 37715400, 38553520, 39355200, 43372710, 45258480, 46264224, 48191900, 50287200, 52047252, 56573100, 57830280, 60344640, 65059065, 69396336, 72287850, 75430800, 77107040, 86745420, 90516960, 92528448, 96383800, 100574400, 104094504, 108431775, 113146200, 115660560, 130118130, 138792672, 144575700, 150861600, 154214080, 173490840, 181033920, 192767600, 208189008, 216863550, 226292400, 231321120, 260236260, 277585344, 289151400, 301723200, 325295325, 346981680, 385535200, 416378016, 433727100, 452584800, 462642240, 520472520, 578302800, 650590650, 693963360, 771070400, 832756032, 867454200, 905169600, 1040945040, 1156605600, 1301181300, 1387926720, 1734908400, 2081890080, 2313211200, 2602362600, 3469816800, 4163780160, 5204725200, 6939633600, 10409450400, 20818900800]

約数ペア:

[(1, 20818900800), (2, 10409450400), (3, 6939633600), (4, 5204725200), (5, 4163780160), (6, 3469816800), (8, 2602362600), (9, 2313211200), (10, 2081890080), (12, 1734908400), (15, 1387926720), (16, 1301181300), (18, 1156605600), (20, 1040945040), (23, 905169600), (24, 867454200), (25, 832756032), (27, 771070400), (30, 693963360), (32, 650590650), (36, 578302800), (40, 520472520), (45, 462642240), (46, 452584800), (48, 433727100), (50, 416378016), (54, 385535200), (60, 346981680), (64, 325295325), (69, 301723200), (72, 289151400), (75, 277585344), (80, 260236260), (90, 231321120), (92, 226292400), (96, 216863550), (100, 208189008), (108, 192767600), (115, 181033920), (120, 173490840), (135, 154214080), (138, 150861600), (144, 144575700), (150, 138792672), (160, 130118130), (180, 115660560), (184, 113146200), (192, 108431775), (200, 104094504), (207, 100574400), (216, 96383800), (225, 92528448), (230, 90516960), (240, 86745420), (270, 77107040), (276, 75430800), (288, 72287850), (300, 69396336), (320, 65059065), (345, 60344640), (360, 57830280), (368, 56573100), (400, 52047252), (414, 50287200), (432, 48191900), (450, 46264224), (460, 45258480), (480, 43372710), (529, 39355200), (540, 38553520), (552, 37715400), (575, 36206784), (576, 36143925), (600, 34698168), (621, 33524800), (675, 30842816), (690, 30172320), (720, 28915140), (736, 28286550), (800, 26023626), (828, 25143600), (864, 24095950), (900, 23132112), (911, 22852800), (920, 22629240), (960, 21686355), (1035, 20114880), (1058, 19677600), (1080, 19276760), (1104, 18857700), (1150, 18103392), (1200, 17349084), (1242, 16762400), (1350, 15421408), (1380, 15086160), (1440, 14457570), (1472, 14143275), (1587, 13118400), (1600, 13011813), (1656, 12571800), (1725, 12068928), (1728, 12047975), (1800, 11566056), (1822, 11426400), (1840, 11314620), (2070, 10057440), (2116, 9838800), (2160, 9638380), (2208, 9428850), (2300, 9051696), (2400, 8674542), (2484, 8381200), (2645, 7871040), (2700, 7710704), (2733, 7617600), (2760, 7543080), (2880, 7228785), (3105, 6704960), (3174, 6559200), (3312, 6285900), (3450, 6034464), (3600, 5783028), (3644, 5713200), (3680, 5657310), (4140, 5028720), (4232, 4919400), (4320, 4819190), (4416, 4714425), (4555, 4570560), (4600, 4525848), (4761, 4372800), (4800, 4337271), (4968, 4190600), (5175, 4022976), (5290, 3935520), (5400, 3855352), (5466, 3808800), (5520, 3771540), (6210, 3352480), (6348, 3279600), (6624, 3142950), (6900, 3017232), (7200, 2891514), (7288, 2856600), (7360, 2828655), (7935, 2623680), (8199, 2539200), (8280, 2514360), (8464, 2459700), (8640, 2409595), (9110, 2285280), (9200, 2262924), (9522, 2186400), (9936, 2095300), (10350, 2011488), (10580, 1967760), (10800, 1927676), (10932, 1904400), (11040, 1885770), (12420, 1676240), (12696, 1639800), (13225, 1574208), (13248, 1571475), (13665, 1523520), (13800, 1508616), (14283, 1457600), (14400, 1445757), (14576, 1428300), (15525, 1340992), (15870, 1311840), (16398, 1269600), (16560, 1257180), (16928, 1229850), (18220, 1142640), (18400, 1131462), (19044, 1093200), (19872, 1047650), (20700, 1005744), (20953, 993600), (21160, 983880), (21600, 963838), (21864, 952200), (22080, 942885), (22775, 914112), (23805, 874560), (24597, 846400), (24840, 838120), (25392, 819900), (26450, 787104), (27330, 761760), (27600, 754308), (28566, 728800), (29152, 714150), (31050, 670496), (31740, 655920), (32796, 634800), (33120, 628590), (33856, 614925), (36440, 571320), (36800, 565731), (38088, 546600), (39675, 524736), (39744, 523825), (40995, 507840), (41400, 502872), (41906, 496800), (42320, 491940), (43200, 481919), (43728, 476100), (45550, 457056), (47610, 437280), (49194, 423200), (49680, 419060), (50784, 409950), (52900, 393552), (54660, 380880), (55200, 377154), (57132, 364400), (58304, 357075), (62100, 335248), (62859, 331200), (63480, 327960), (65592, 317400), (66240, 314295), (68325, 304704), (71415, 291520), (72880, 285660), (76176, 273300), (79350, 262368), (81990, 253920), (82800, 251436), (83812, 248400), (84640, 245970), (87456, 238050), (91100, 228528), (95220, 218640), (98388, 211600), (99360, 209530), (101568, 204975), (104765, 198720), (105800, 196776), (109320, 190440), (110400, 188577), (114264, 182200), (119025, 174912), (122985, 169280), (124200, 167624), (125718, 165600), (126960, 163980), (131184, 158700), (136650, 152352), (142830, 145760)]