74540280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2417}}^1$

素因数の和:2688

約数の個数: 64

約数和(自身を含む): 224583840

約数和(自身を除く): 150043560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2417, 2570, 3084, 3855, 4834, 5140, 6168, 7251, 7710, 9668, 10280, 12085, 14502, 15420, 19336, 24170, 29004, 30840, 36255, 48340, 58008, 72510, 96680, 145020, 290040, 621169, 1242338, 1863507, 2484676, 3105845, 3727014, 4969352, 6211690, 7454028, 9317535, 12423380, 14908056, 18635070, 24846760, 37270140, 74540280]

約数ペア:

[(1, 74540280), (2, 37270140), (3, 24846760), (4, 18635070), (5, 14908056), (6, 12423380), (8, 9317535), (10, 7454028), (12, 6211690), (15, 4969352), (20, 3727014), (24, 3105845), (30, 2484676), (40, 1863507), (60, 1242338), (120, 621169), (257, 290040), (514, 145020), (771, 96680), (1028, 72510), (1285, 58008), (1542, 48340), (2056, 36255), (2417, 30840), (2570, 29004), (3084, 24170), (3855, 19336), (4834, 15420), (5140, 14502), (6168, 12085), (7251, 10280), (7710, 9668)]