78644240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^2$

素因数の和:376

約数の個数: 60

約数和(自身を含む): 188948844

約数和(自身を除く): 110304604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 163, 185, 296, 326, 370, 592, 652, 740, 815, 1304, 1480, 1630, 2608, 2960, 3260, 6031, 6520, 12062, 13040, 24124, 26569, 30155, 48248, 53138, 60310, 96496, 106276, 120620, 132845, 212552, 241240, 265690, 425104, 482480, 531380, 983053, 1062760, 1966106, 2125520, 3932212, 4915265, 7864424, 9830530, 15728848, 19661060, 39322120, 78644240]

約数ペア:

[(1, 78644240), (2, 39322120), (4, 19661060), (5, 15728848), (8, 9830530), (10, 7864424), (16, 4915265), (20, 3932212), (37, 2125520), (40, 1966106), (74, 1062760), (80, 983053), (148, 531380), (163, 482480), (185, 425104), (296, 265690), (326, 241240), (370, 212552), (592, 132845), (652, 120620), (740, 106276), (815, 96496), (1304, 60310), (1480, 53138), (1630, 48248), (2608, 30155), (2960, 26569), (3260, 24124), (6031, 13040), (6520, 12062)]