64790160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{541}}^1$

素因数の和:1056

約数の個数: 80

約数和(自身を含む): 201624000

約数和(自身を除く): 136833840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 499, 541, 998, 1082, 1497, 1623, 1996, 2164, 2495, 2705, 2994, 3246, 3992, 4328, 4990, 5410, 5988, 6492, 7485, 7984, 8115, 8656, 9980, 10820, 11976, 12984, 14970, 16230, 19960, 21640, 23952, 25968, 29940, 32460, 39920, 43280, 59880, 64920, 119760, 129840, 269959, 539918, 809877, 1079836, 1349795, 1619754, 2159672, 2699590, 3239508, 4049385, 4319344, 5399180, 6479016, 8098770, 10798360, 12958032, 16197540, 21596720, 32395080, 64790160]

約数ペア:

[(1, 64790160), (2, 32395080), (3, 21596720), (4, 16197540), (5, 12958032), (6, 10798360), (8, 8098770), (10, 6479016), (12, 5399180), (15, 4319344), (16, 4049385), (20, 3239508), (24, 2699590), (30, 2159672), (40, 1619754), (48, 1349795), (60, 1079836), (80, 809877), (120, 539918), (240, 269959), (499, 129840), (541, 119760), (998, 64920), (1082, 59880), (1497, 43280), (1623, 39920), (1996, 32460), (2164, 29940), (2495, 25968), (2705, 23952), (2994, 21640), (3246, 19960), (3992, 16230), (4328, 14970), (4990, 12984), (5410, 11976), (5988, 10820), (6492, 9980), (7485, 8656), (7984, 8115)]