90406960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23063}}^1$

素因数の和:23090

約数の個数: 60

約数和(自身を含む): 244524528

約数和(自身を除く): 154117568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 23063, 46126, 92252, 115315, 161441, 184504, 230630, 322882, 369008, 461260, 645764, 807205, 922520, 1130087, 1291528, 1614410, 1845040, 2260174, 2583056, 3228820, 4520348, 5650435, 6457640, 9040696, 11300870, 12915280, 18081392, 22601740, 45203480, 90406960]

約数ペア:

[(1, 90406960), (2, 45203480), (4, 22601740), (5, 18081392), (7, 12915280), (8, 11300870), (10, 9040696), (14, 6457640), (16, 5650435), (20, 4520348), (28, 3228820), (35, 2583056), (40, 2260174), (49, 1845040), (56, 1614410), (70, 1291528), (80, 1130087), (98, 922520), (112, 807205), (140, 645764), (196, 461260), (245, 369008), (280, 322882), (392, 230630), (490, 184504), (560, 161441), (784, 115315), (980, 92252), (1960, 46126), (3920, 23063)]