15690639420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{413129}}^1$

素因数の和:413355

約数の個数: 72

約数和(自身を含む): 47820623760

約数和(自身を除く): 32129984340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 12660, 18990, 37980, 413129, 826258, 1239387, 1652516, 2065645, 2478774, 3718161, 4131290, 4957548, 6196935, 7436322, 8262580, 12393870, 14872644, 18590805, 24787740, 37181610, 74363220, 87170219, 174340438, 261510657, 348680876, 435851095, 523021314, 784531971, 871702190, 1046042628, 1307553285, 1569063942, 1743404380, 2615106570, 3138127884, 3922659855, 5230213140, 7845319710, 15690639420]

約数ペア:

[(1, 15690639420), (2, 7845319710), (3, 5230213140), (4, 3922659855), (5, 3138127884), (6, 2615106570), (9, 1743404380), (10, 1569063942), (12, 1307553285), (15, 1046042628), (18, 871702190), (20, 784531971), (30, 523021314), (36, 435851095), (45, 348680876), (60, 261510657), (90, 174340438), (180, 87170219), (211, 74363220), (422, 37181610), (633, 24787740), (844, 18590805), (1055, 14872644), (1266, 12393870), (1899, 8262580), (2110, 7436322), (2532, 6196935), (3165, 4957548), (3798, 4131290), (4220, 3718161), (6330, 2478774), (7596, 2065645), (9495, 1652516), (12660, 1239387), (18990, 826258), (37980, 413129)]