639807120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4421}}^1$

素因数の和:4510

約数の個数: 160

約数和(自身を含む): 2237178240

約数和(自身を除く): 1597371120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 67, 72, 80, 90, 108, 120, 134, 135, 144, 180, 201, 216, 240, 268, 270, 335, 360, 402, 432, 536, 540, 603, 670, 720, 804, 1005, 1072, 1080, 1206, 1340, 1608, 1809, 2010, 2160, 2412, 2680, 3015, 3216, 3618, 4020, 4421, 4824, 5360, 6030, 7236, 8040, 8842, 9045, 9648, 12060, 13263, 14472, 16080, 17684, 18090, 22105, 24120, 26526, 28944, 35368, 36180, 39789, 44210, 48240, 53052, 66315, 70736, 72360, 79578, 88420, 106104, 119367, 132630, 144720, 159156, 176840, 198945, 212208, 238734, 265260, 296207, 318312, 353680, 397890, 477468, 530520, 592414, 596835, 636624, 795780, 888621, 954936, 1061040, 1184828, 1193670, 1481035, 1591560, 1777242, 1909872, 2369656, 2387340, 2665863, 2962070, 3183120, 3554484, 4443105, 4739312, 4774680, 5331726, 5924140, 7108968, 7997589, 8886210, 9549360, 10663452, 11848280, 13329315, 14217936, 15995178, 17772420, 21326904, 23696560, 26658630, 31990356, 35544840, 39987945, 42653808, 53317260, 63980712, 71089680, 79975890, 106634520, 127961424, 159951780, 213269040, 319903560, 639807120]

約数ペア:

[(1, 639807120), (2, 319903560), (3, 213269040), (4, 159951780), (5, 127961424), (6, 106634520), (8, 79975890), (9, 71089680), (10, 63980712), (12, 53317260), (15, 42653808), (16, 39987945), (18, 35544840), (20, 31990356), (24, 26658630), (27, 23696560), (30, 21326904), (36, 17772420), (40, 15995178), (45, 14217936), (48, 13329315), (54, 11848280), (60, 10663452), (67, 9549360), (72, 8886210), (80, 7997589), (90, 7108968), (108, 5924140), (120, 5331726), (134, 4774680), (135, 4739312), (144, 4443105), (180, 3554484), (201, 3183120), (216, 2962070), (240, 2665863), (268, 2387340), (270, 2369656), (335, 1909872), (360, 1777242), (402, 1591560), (432, 1481035), (536, 1193670), (540, 1184828), (603, 1061040), (670, 954936), (720, 888621), (804, 795780), (1005, 636624), (1072, 596835), (1080, 592414), (1206, 530520), (1340, 477468), (1608, 397890), (1809, 353680), (2010, 318312), (2160, 296207), (2412, 265260), (2680, 238734), (3015, 212208), (3216, 198945), (3618, 176840), (4020, 159156), (4421, 144720), (4824, 132630), (5360, 119367), (6030, 106104), (7236, 88420), (8040, 79578), (8842, 72360), (9045, 70736), (9648, 66315), (12060, 53052), (13263, 48240), (14472, 44210), (16080, 39789), (17684, 36180), (18090, 35368), (22105, 28944), (24120, 26526)]