15981430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1663}}^1$

素因数の和:1732

約数の個数: 24

約数和(自身を含む): 29742336

約数和(自身を除く): 13760906

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1663, 1922, 3326, 4805, 8315, 9610, 16630, 51553, 103106, 257765, 515530, 1598143, 3196286, 7990715, 15981430]

約数ペア:

[(1, 15981430), (2, 7990715), (5, 3196286), (10, 1598143), (31, 515530), (62, 257765), (155, 103106), (310, 51553), (961, 16630), (1663, 9610), (1922, 8315), (3326, 4805)]