15678719140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{146777}}^1$

素因数の和:146909

約数の個数: 72

約数和(自身を含む): 38652518520

約数和(自身を除く): 22973799380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 763, 980, 1090, 1526, 2180, 3052, 3815, 5341, 7630, 10682, 15260, 21364, 26705, 53410, 106820, 146777, 293554, 587108, 733885, 1027439, 1467770, 2054878, 2935540, 4109756, 5137195, 7192073, 10274390, 14384146, 15998693, 20548780, 28768292, 31997386, 35960365, 63994772, 71920730, 79993465, 111990851, 143841460, 159986930, 223981702, 319973860, 447963404, 559954255, 783935957, 1119908510, 1567871914, 2239817020, 3135743828, 3919679785, 7839359570, 15678719140]

約数ペア:

[(1, 15678719140), (2, 7839359570), (4, 3919679785), (5, 3135743828), (7, 2239817020), (10, 1567871914), (14, 1119908510), (20, 783935957), (28, 559954255), (35, 447963404), (49, 319973860), (70, 223981702), (98, 159986930), (109, 143841460), (140, 111990851), (196, 79993465), (218, 71920730), (245, 63994772), (436, 35960365), (490, 31997386), (545, 28768292), (763, 20548780), (980, 15998693), (1090, 14384146), (1526, 10274390), (2180, 7192073), (3052, 5137195), (3815, 4109756), (5341, 2935540), (7630, 2054878), (10682, 1467770), (15260, 1027439), (21364, 733885), (26705, 587108), (53410, 293554), (106820, 146777)]