64909920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:788

約数の個数: 96

約数和(自身を含む): 205632000

約数和(自身を除く): 140722080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 271, 480, 499, 542, 813, 998, 1084, 1355, 1497, 1626, 1996, 2168, 2495, 2710, 2994, 3252, 3992, 4065, 4336, 4990, 5420, 5988, 6504, 7485, 7984, 8130, 8672, 9980, 10840, 11976, 13008, 14970, 15968, 16260, 19960, 21680, 23952, 26016, 29940, 32520, 39920, 43360, 47904, 59880, 65040, 79840, 119760, 130080, 135229, 239520, 270458, 405687, 540916, 676145, 811374, 1081832, 1352290, 1622748, 2028435, 2163664, 2704580, 3245496, 4056870, 4327328, 5409160, 6490992, 8113740, 10818320, 12981984, 16227480, 21636640, 32454960, 64909920]

約数ペア:

[(1, 64909920), (2, 32454960), (3, 21636640), (4, 16227480), (5, 12981984), (6, 10818320), (8, 8113740), (10, 6490992), (12, 5409160), (15, 4327328), (16, 4056870), (20, 3245496), (24, 2704580), (30, 2163664), (32, 2028435), (40, 1622748), (48, 1352290), (60, 1081832), (80, 811374), (96, 676145), (120, 540916), (160, 405687), (240, 270458), (271, 239520), (480, 135229), (499, 130080), (542, 119760), (813, 79840), (998, 65040), (1084, 59880), (1355, 47904), (1497, 43360), (1626, 39920), (1996, 32520), (2168, 29940), (2495, 26016), (2710, 23952), (2994, 21680), (3252, 19960), (3992, 16260), (4065, 15968), (4336, 14970), (4990, 13008), (5420, 11976), (5988, 10840), (6504, 9980), (7485, 8672), (7984, 8130)]