131157780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{168151}}^1$

素因数の和:168176

約数の個数: 48

約数和(自身を含む): 395493504

約数和(自身を除く): 264335724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 168151, 336302, 504453, 672604, 840755, 1008906, 1681510, 2017812, 2185963, 2522265, 3363020, 4371926, 5044530, 6557889, 8743852, 10089060, 10929815, 13115778, 21859630, 26231556, 32789445, 43719260, 65578890, 131157780]

約数ペア:

[(1, 131157780), (2, 65578890), (3, 43719260), (4, 32789445), (5, 26231556), (6, 21859630), (10, 13115778), (12, 10929815), (13, 10089060), (15, 8743852), (20, 6557889), (26, 5044530), (30, 4371926), (39, 3363020), (52, 2522265), (60, 2185963), (65, 2017812), (78, 1681510), (130, 1008906), (156, 840755), (195, 672604), (260, 504453), (390, 336302), (780, 168151)]