90807720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{857}}^1\times {\mathrm{883}}^1$

素因数の和:1754

約数の個数: 64

約数和(自身を含む): 273049920

約数和(自身を除く): 182242200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 857, 883, 1714, 1766, 2571, 2649, 3428, 3532, 4285, 4415, 5142, 5298, 6856, 7064, 8570, 8830, 10284, 10596, 12855, 13245, 17140, 17660, 20568, 21192, 25710, 26490, 34280, 35320, 51420, 52980, 102840, 105960, 756731, 1513462, 2270193, 3026924, 3783655, 4540386, 6053848, 7567310, 9080772, 11350965, 15134620, 18161544, 22701930, 30269240, 45403860, 90807720]

約数ペア:

[(1, 90807720), (2, 45403860), (3, 30269240), (4, 22701930), (5, 18161544), (6, 15134620), (8, 11350965), (10, 9080772), (12, 7567310), (15, 6053848), (20, 4540386), (24, 3783655), (30, 3026924), (40, 2270193), (60, 1513462), (120, 756731), (857, 105960), (883, 102840), (1714, 52980), (1766, 51420), (2571, 35320), (2649, 34280), (3428, 26490), (3532, 25710), (4285, 21192), (4415, 20568), (5142, 17660), (5298, 17140), (6856, 13245), (7064, 12855), (8570, 10596), (8830, 10284)]