15960740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 34934592

約数和(自身を除く): 18973852

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 277, 335, 430, 554, 670, 860, 1108, 1340, 1385, 2770, 2881, 5540, 5762, 11524, 11911, 14405, 18559, 23822, 28810, 37118, 47644, 57620, 59555, 74236, 92795, 119110, 185590, 238220, 371180, 798037, 1596074, 3192148, 3990185, 7980370, 15960740]

約数ペア:

[(1, 15960740), (2, 7980370), (4, 3990185), (5, 3192148), (10, 1596074), (20, 798037), (43, 371180), (67, 238220), (86, 185590), (134, 119110), (172, 92795), (215, 74236), (268, 59555), (277, 57620), (335, 47644), (430, 37118), (554, 28810), (670, 23822), (860, 18559), (1108, 14405), (1340, 11911), (1385, 11524), (2770, 5762), (2881, 5540)]