257970120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2909}}^1$

素因数の和:3662

約数の個数: 64

約数和(自身を含む): 775224000

約数和(自身を除く): 517253880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 739, 1478, 2217, 2909, 2956, 3695, 4434, 5818, 5912, 7390, 8727, 8868, 11085, 11636, 14545, 14780, 17454, 17736, 22170, 23272, 29090, 29560, 34908, 43635, 44340, 58180, 69816, 87270, 88680, 116360, 174540, 349080, 2149751, 4299502, 6449253, 8599004, 10748755, 12898506, 17198008, 21497510, 25797012, 32246265, 42995020, 51594024, 64492530, 85990040, 128985060, 257970120]

約数ペア:

[(1, 257970120), (2, 128985060), (3, 85990040), (4, 64492530), (5, 51594024), (6, 42995020), (8, 32246265), (10, 25797012), (12, 21497510), (15, 17198008), (20, 12898506), (24, 10748755), (30, 8599004), (40, 6449253), (60, 4299502), (120, 2149751), (739, 349080), (1478, 174540), (2217, 116360), (2909, 88680), (2956, 87270), (3695, 69816), (4434, 58180), (5818, 44340), (5912, 43635), (7390, 34908), (8727, 29560), (8868, 29090), (11085, 23272), (11636, 22170), (14545, 17736), (14780, 17454)]