64279980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{39679}}^1$

素因数の和:39700

約数の個数: 60

約数和(自身を含む): 201653760

約数和(自身を除く): 137373780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 39679, 79358, 119037, 158716, 198395, 238074, 357111, 396790, 476148, 595185, 714222, 793580, 1071333, 1190370, 1428444, 1785555, 2142666, 2380740, 3213999, 3571110, 4285332, 5356665, 6427998, 7142220, 10713330, 12855996, 16069995, 21426660, 32139990, 64279980]

約数ペア:

[(1, 64279980), (2, 32139990), (3, 21426660), (4, 16069995), (5, 12855996), (6, 10713330), (9, 7142220), (10, 6427998), (12, 5356665), (15, 4285332), (18, 3571110), (20, 3213999), (27, 2380740), (30, 2142666), (36, 1785555), (45, 1428444), (54, 1190370), (60, 1071333), (81, 793580), (90, 714222), (108, 595185), (135, 476148), (162, 396790), (180, 357111), (270, 238074), (324, 198395), (405, 158716), (540, 119037), (810, 79358), (1620, 39679)]