20734604800

素因数分解:

$2^9\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2598

約数の個数: 360

約数和(自身を含む): 64380941856

約数和(自身を除く): 43646337056

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 49, 50, 52, 56, 64, 65, 70, 80, 91, 98, 100, 104, 112, 128, 130, 140, 160, 175, 182, 196, 200, 208, 224, 245, 256, 260, 280, 320, 325, 350, 364, 392, 400, 416, 448, 455, 490, 512, 520, 560, 637, 640, 650, 700, 728, 784, 800, 832, 896, 910, 980, 1040, 1120, 1225, 1274, 1280, 1300, 1400, 1456, 1568, 1600, 1664, 1792, 1820, 1960, 2080, 2240, 2275, 2450, 2543, 2548, 2560, 2600, 2800, 2912, 3136, 3185, 3200, 3328, 3584, 3640, 3920, 4160, 4480, 4550, 4900, 5086, 5096, 5200, 5600, 5824, 6272, 6370, 6400, 6656, 7280, 7840, 8320, 8960, 9100, 9800, 10172, 10192, 10400, 11200, 11648, 12544, 12715, 12740, 12800, 14560, 15680, 15925, 16640, 17801, 17920, 18200, 19600, 20344, 20384, 20800, 22400, 23296, 25088, 25430, 25480, 29120, 31360, 31850, 33059, 33280, 35602, 36400, 39200, 40688, 40768, 41600, 44800, 46592, 50860, 50960, 58240, 62720, 63575, 63700, 66118, 71204, 72800, 78400, 81376, 81536, 83200, 89005, 89600, 101720, 101920, 116480, 124607, 125440, 127150, 127400, 132236, 142408, 145600, 156800, 162752, 163072, 165295, 166400, 178010, 203440, 203840, 231413, 232960, 249214, 254300, 254800, 264472, 284816, 291200, 313600, 325504, 326144, 330590, 356020, 406880, 407680, 445025, 462826, 498428, 508600, 509600, 528944, 569632, 582400, 623035, 627200, 651008, 661180, 712040, 813760, 815360, 826475, 890050, 925652, 996856, 1017200, 1019200, 1057888, 1139264, 1157065, 1164800, 1246070, 1302016, 1322360, 1424080, 1619891, 1627520, 1630720, 1652950, 1780100, 1851304, 1993712, 2034400, 2038400, 2115776, 2278528, 2314130, 2492140, 2644720, 2848160, 3115175, 3239782, 3255040, 3305900, 3560200, 3702608, 3987424, 4068800, 4076800, 4231552, 4557056, 4628260, 4984280, 5289440, 5696320, 5785325, 6230350, 6479564, 6510080, 6611800, 7120400, 7405216, 7974848, 8099455, 8137600, 8153600, 8463104, 9114112, 9256520, 9968560, 10578880, 11392640, 11570650, 12460700, 12959128, 13223600, 14240800, 14810432, 15949696, 16198910, 16275200, 16926208, 18513040, 19937120, 21157760, 22785280, 23141300, 24921400, 25918256, 26447200, 28481600, 29620864, 31899392, 32397820, 32550400, 37026080, 39874240, 40497275, 42315520, 45570560, 46282600, 49842800, 51836512, 52894400, 56963200, 59241728, 63798784, 64795640, 74052160, 79748480, 80994550, 84631040, 92565200, 99685600, 103673024, 105788800, 113926400, 118483456, 129591280, 148104320, 159496960, 161989100, 185130400, 199371200, 207346048, 211577600, 227852800, 259182560, 296208640, 318993920, 323978200, 370260800, 398742400, 414692096, 423155200, 518365120, 592417280, 647956400, 740521600, 797484800, 829384192, 1036730240, 1295912800, 1481043200, 1594969600, 2073460480, 2591825600, 2962086400, 4146920960, 5183651200, 10367302400, 20734604800]

約数ペア:

[(1, 20734604800), (2, 10367302400), (4, 5183651200), (5, 4146920960), (7, 2962086400), (8, 2591825600), (10, 2073460480), (13, 1594969600), (14, 1481043200), (16, 1295912800), (20, 1036730240), (25, 829384192), (26, 797484800), (28, 740521600), (32, 647956400), (35, 592417280), (40, 518365120), (49, 423155200), (50, 414692096), (52, 398742400), (56, 370260800), (64, 323978200), (65, 318993920), (70, 296208640), (80, 259182560), (91, 227852800), (98, 211577600), (100, 207346048), (104, 199371200), (112, 185130400), (128, 161989100), (130, 159496960), (140, 148104320), (160, 129591280), (175, 118483456), (182, 113926400), (196, 105788800), (200, 103673024), (208, 99685600), (224, 92565200), (245, 84631040), (256, 80994550), (260, 79748480), (280, 74052160), (320, 64795640), (325, 63798784), (350, 59241728), (364, 56963200), (392, 52894400), (400, 51836512), (416, 49842800), (448, 46282600), (455, 45570560), (490, 42315520), (512, 40497275), (520, 39874240), (560, 37026080), (637, 32550400), (640, 32397820), (650, 31899392), (700, 29620864), (728, 28481600), (784, 26447200), (800, 25918256), (832, 24921400), (896, 23141300), (910, 22785280), (980, 21157760), (1040, 19937120), (1120, 18513040), (1225, 16926208), (1274, 16275200), (1280, 16198910), (1300, 15949696), (1400, 14810432), (1456, 14240800), (1568, 13223600), (1600, 12959128), (1664, 12460700), (1792, 11570650), (1820, 11392640), (1960, 10578880), (2080, 9968560), (2240, 9256520), (2275, 9114112), (2450, 8463104), (2543, 8153600), (2548, 8137600), (2560, 8099455), (2600, 7974848), (2800, 7405216), (2912, 7120400), (3136, 6611800), (3185, 6510080), (3200, 6479564), (3328, 6230350), (3584, 5785325), (3640, 5696320), (3920, 5289440), (4160, 4984280), (4480, 4628260), (4550, 4557056), (4900, 4231552), (5086, 4076800), (5096, 4068800), (5200, 3987424), (5600, 3702608), (5824, 3560200), (6272, 3305900), (6370, 3255040), (6400, 3239782), (6656, 3115175), (7280, 2848160), (7840, 2644720), (8320, 2492140), (8960, 2314130), (9100, 2278528), (9800, 2115776), (10172, 2038400), (10192, 2034400), (10400, 1993712), (11200, 1851304), (11648, 1780100), (12544, 1652950), (12715, 1630720), (12740, 1627520), (12800, 1619891), (14560, 1424080), (15680, 1322360), (15925, 1302016), (16640, 1246070), (17801, 1164800), (17920, 1157065), (18200, 1139264), (19600, 1057888), (20344, 1019200), (20384, 1017200), (20800, 996856), (22400, 925652), (23296, 890050), (25088, 826475), (25430, 815360), (25480, 813760), (29120, 712040), (31360, 661180), (31850, 651008), (33059, 627200), (33280, 623035), (35602, 582400), (36400, 569632), (39200, 528944), (40688, 509600), (40768, 508600), (41600, 498428), (44800, 462826), (46592, 445025), (50860, 407680), (50960, 406880), (58240, 356020), (62720, 330590), (63575, 326144), (63700, 325504), (66118, 313600), (71204, 291200), (72800, 284816), (78400, 264472), (81376, 254800), (81536, 254300), (83200, 249214), (89005, 232960), (89600, 231413), (101720, 203840), (101920, 203440), (116480, 178010), (124607, 166400), (125440, 165295), (127150, 163072), (127400, 162752), (132236, 156800), (142408, 145600)]