64314640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 166650048

約数和(自身を除く): 102335408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 71, 80, 104, 130, 134, 142, 169, 208, 260, 268, 284, 335, 338, 355, 520, 536, 568, 670, 676, 710, 845, 871, 923, 1040, 1072, 1136, 1340, 1352, 1420, 1690, 1742, 1846, 2680, 2704, 2840, 3380, 3484, 3692, 4355, 4615, 4757, 5360, 5680, 6760, 6968, 7384, 8710, 9230, 9514, 11323, 11999, 13520, 13936, 14768, 17420, 18460, 19028, 22646, 23785, 23998, 34840, 36920, 38056, 45292, 47570, 47996, 56615, 59995, 61841, 69680, 73840, 76112, 90584, 95140, 95992, 113230, 119990, 123682, 181168, 190280, 191984, 226460, 239980, 247364, 309205, 380560, 452920, 479960, 494728, 618410, 803933, 905840, 959920, 989456, 1236820, 1607866, 2473640, 3215732, 4019665, 4947280, 6431464, 8039330, 12862928, 16078660, 32157320, 64314640]

約数ペア:

[(1, 64314640), (2, 32157320), (4, 16078660), (5, 12862928), (8, 8039330), (10, 6431464), (13, 4947280), (16, 4019665), (20, 3215732), (26, 2473640), (40, 1607866), (52, 1236820), (65, 989456), (67, 959920), (71, 905840), (80, 803933), (104, 618410), (130, 494728), (134, 479960), (142, 452920), (169, 380560), (208, 309205), (260, 247364), (268, 239980), (284, 226460), (335, 191984), (338, 190280), (355, 181168), (520, 123682), (536, 119990), (568, 113230), (670, 95992), (676, 95140), (710, 90584), (845, 76112), (871, 73840), (923, 69680), (1040, 61841), (1072, 59995), (1136, 56615), (1340, 47996), (1352, 47570), (1420, 45292), (1690, 38056), (1742, 36920), (1846, 34840), (2680, 23998), (2704, 23785), (2840, 22646), (3380, 19028), (3484, 18460), (3692, 17420), (4355, 14768), (4615, 13936), (4757, 13520), (5360, 11999), (5680, 11323), (6760, 9514), (6968, 9230), (7384, 8710)]