15427740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 43374240

約数和(自身を除く): 27946500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 661, 778, 1167, 1322, 1556, 1945, 1983, 2334, 2644, 3305, 3890, 3966, 4668, 5835, 6610, 7780, 7932, 9915, 11670, 13220, 19830, 23340, 39660, 257129, 514258, 771387, 1028516, 1285645, 1542774, 2571290, 3085548, 3856935, 5142580, 7713870, 15427740]

約数ペア:

[(1, 15427740), (2, 7713870), (3, 5142580), (4, 3856935), (5, 3085548), (6, 2571290), (10, 1542774), (12, 1285645), (15, 1028516), (20, 771387), (30, 514258), (60, 257129), (389, 39660), (661, 23340), (778, 19830), (1167, 13220), (1322, 11670), (1556, 9915), (1945, 7932), (1983, 7780), (2334, 6610), (2644, 5835), (3305, 4668), (3890, 3966)]