15976920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 48234240

約数和(自身を除く): 32257320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 631, 633, 844, 1055, 1262, 1266, 1688, 1893, 2110, 2524, 2532, 3155, 3165, 3786, 4220, 5048, 5064, 6310, 6330, 7572, 8440, 9465, 12620, 12660, 15144, 18930, 25240, 25320, 37860, 75720, 133141, 266282, 399423, 532564, 665705, 798846, 1065128, 1331410, 1597692, 1997115, 2662820, 3195384, 3994230, 5325640, 7988460, 15976920]

約数ペア:

[(1, 15976920), (2, 7988460), (3, 5325640), (4, 3994230), (5, 3195384), (6, 2662820), (8, 1997115), (10, 1597692), (12, 1331410), (15, 1065128), (20, 798846), (24, 665705), (30, 532564), (40, 399423), (60, 266282), (120, 133141), (211, 75720), (422, 37860), (631, 25320), (633, 25240), (844, 18930), (1055, 15144), (1262, 12660), (1266, 12620), (1688, 9465), (1893, 8440), (2110, 7572), (2524, 6330), (2532, 6310), (3155, 5064), (3165, 5048), (3786, 4220)]