56689620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72679}}^1$

素因数の和:72704

約数の個数: 48

約数和(自身を含む): 170943360

約数和(自身を除く): 114253740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 72679, 145358, 218037, 290716, 363395, 436074, 726790, 872148, 944827, 1090185, 1453580, 1889654, 2180370, 2834481, 3779308, 4360740, 4724135, 5668962, 9448270, 11337924, 14172405, 18896540, 28344810, 56689620]

約数ペア:

[(1, 56689620), (2, 28344810), (3, 18896540), (4, 14172405), (5, 11337924), (6, 9448270), (10, 5668962), (12, 4724135), (13, 4360740), (15, 3779308), (20, 2834481), (26, 2180370), (30, 1889654), (39, 1453580), (52, 1090185), (60, 944827), (65, 872148), (78, 726790), (130, 436074), (156, 363395), (195, 290716), (260, 218037), (390, 145358), (780, 72679)]