616428800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:309

約数の個数: 216

約数和(自身を含む): 1703224320

約数和(自身を除く): 1086795520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 200, 208, 239, 248, 256, 260, 310, 320, 325, 400, 403, 416, 478, 496, 520, 620, 640, 650, 775, 800, 806, 832, 956, 992, 1040, 1195, 1240, 1280, 1300, 1550, 1600, 1612, 1664, 1912, 1984, 2015, 2080, 2390, 2480, 2600, 3100, 3107, 3200, 3224, 3328, 3824, 3968, 4030, 4160, 4780, 4960, 5200, 5975, 6200, 6214, 6400, 6448, 7409, 7648, 7936, 8060, 8320, 9560, 9920, 10075, 10400, 11950, 12400, 12428, 12896, 14818, 15296, 15535, 16120, 16640, 19120, 19840, 20150, 20800, 23900, 24800, 24856, 25792, 29636, 30592, 31070, 32240, 37045, 38240, 39680, 40300, 41600, 47800, 49600, 49712, 51584, 59272, 61184, 62140, 64480, 74090, 76480, 77675, 80600, 83200, 95600, 96317, 99200, 99424, 103168, 118544, 124280, 128960, 148180, 152960, 155350, 161200, 185225, 191200, 192634, 198400, 198848, 237088, 248560, 257920, 296360, 305920, 310700, 322400, 370450, 382400, 385268, 397696, 474176, 481585, 497120, 515840, 592720, 621400, 644800, 740900, 764800, 770536, 795392, 948352, 963170, 994240, 1185440, 1242800, 1289600, 1481800, 1529600, 1541072, 1896704, 1926340, 1988480, 2370880, 2407925, 2485600, 2579200, 2963600, 3082144, 3852680, 3976960, 4741760, 4815850, 4971200, 5927200, 6164288, 7705360, 9483520, 9631700, 9942400, 11854400, 12328576, 15410720, 19263400, 19884800, 23708800, 24657152, 30821440, 38526800, 47417600, 61642880, 77053600, 123285760, 154107200, 308214400, 616428800]

約数ペア:

[(1, 616428800), (2, 308214400), (4, 154107200), (5, 123285760), (8, 77053600), (10, 61642880), (13, 47417600), (16, 38526800), (20, 30821440), (25, 24657152), (26, 23708800), (31, 19884800), (32, 19263400), (40, 15410720), (50, 12328576), (52, 11854400), (62, 9942400), (64, 9631700), (65, 9483520), (80, 7705360), (100, 6164288), (104, 5927200), (124, 4971200), (128, 4815850), (130, 4741760), (155, 3976960), (160, 3852680), (200, 3082144), (208, 2963600), (239, 2579200), (248, 2485600), (256, 2407925), (260, 2370880), (310, 1988480), (320, 1926340), (325, 1896704), (400, 1541072), (403, 1529600), (416, 1481800), (478, 1289600), (496, 1242800), (520, 1185440), (620, 994240), (640, 963170), (650, 948352), (775, 795392), (800, 770536), (806, 764800), (832, 740900), (956, 644800), (992, 621400), (1040, 592720), (1195, 515840), (1240, 497120), (1280, 481585), (1300, 474176), (1550, 397696), (1600, 385268), (1612, 382400), (1664, 370450), (1912, 322400), (1984, 310700), (2015, 305920), (2080, 296360), (2390, 257920), (2480, 248560), (2600, 237088), (3100, 198848), (3107, 198400), (3200, 192634), (3224, 191200), (3328, 185225), (3824, 161200), (3968, 155350), (4030, 152960), (4160, 148180), (4780, 128960), (4960, 124280), (5200, 118544), (5975, 103168), (6200, 99424), (6214, 99200), (6400, 96317), (6448, 95600), (7409, 83200), (7648, 80600), (7936, 77675), (8060, 76480), (8320, 74090), (9560, 64480), (9920, 62140), (10075, 61184), (10400, 59272), (11950, 51584), (12400, 49712), (12428, 49600), (12896, 47800), (14818, 41600), (15296, 40300), (15535, 39680), (16120, 38240), (16640, 37045), (19120, 32240), (19840, 31070), (20150, 30592), (20800, 29636), (23900, 25792), (24800, 24856)]