687313120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{330439}}^1$

素因数の和:330467

約数の個数: 48

約数和(自身を含む): 1748688480

約数和(自身を除く): 1061375360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 330439, 660878, 1321756, 1652195, 2643512, 3304390, 4295707, 5287024, 6608780, 8591414, 10574048, 13217560, 17182828, 21478535, 26435120, 34365656, 42957070, 52870240, 68731312, 85914140, 137462624, 171828280, 343656560, 687313120]

約数ペア:

[(1, 687313120), (2, 343656560), (4, 171828280), (5, 137462624), (8, 85914140), (10, 68731312), (13, 52870240), (16, 42957070), (20, 34365656), (26, 26435120), (32, 21478535), (40, 17182828), (52, 13217560), (65, 10574048), (80, 8591414), (104, 6608780), (130, 5287024), (160, 4295707), (208, 3304390), (260, 2643512), (416, 1652195), (520, 1321756), (1040, 660878), (2080, 330439)]