15728780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 35610624

約数和(自身を除く): 19881844

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1103, 1426, 2206, 2852, 3565, 4412, 5515, 7130, 11030, 14260, 22060, 25369, 34193, 50738, 68386, 101476, 126845, 136772, 170965, 253690, 341930, 507380, 683860, 786439, 1572878, 3145756, 3932195, 7864390, 15728780]

約数ペア:

[(1, 15728780), (2, 7864390), (4, 3932195), (5, 3145756), (10, 1572878), (20, 786439), (23, 683860), (31, 507380), (46, 341930), (62, 253690), (92, 170965), (115, 136772), (124, 126845), (155, 101476), (230, 68386), (310, 50738), (460, 34193), (620, 25369), (713, 22060), (1103, 14260), (1426, 11030), (2206, 7130), (2852, 5515), (3565, 4412)]