90870870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{18583}}^1$

素因数の和:18756

約数の個数: 32

約数和(自身を含む): 219439872

約数和(自身を除く): 128569002

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4890, 18583, 37166, 55749, 92915, 111498, 185830, 278745, 557490, 3029029, 6058058, 9087087, 15145145, 18174174, 30290290, 45435435, 90870870]

約数ペア:

[(1, 90870870), (2, 45435435), (3, 30290290), (5, 18174174), (6, 15145145), (10, 9087087), (15, 6058058), (30, 3029029), (163, 557490), (326, 278745), (489, 185830), (815, 111498), (978, 92915), (1630, 55749), (2445, 37166), (4890, 18583)]