31179260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{421}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 78410976

約数和(自身を除く): 47231716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 421, 460, 529, 644, 805, 842, 1058, 1610, 1684, 2105, 2116, 2645, 2947, 3220, 3703, 4210, 5290, 5894, 7406, 8420, 9683, 10580, 11788, 14735, 14812, 18515, 19366, 29470, 37030, 38732, 48415, 58940, 67781, 74060, 96830, 135562, 193660, 222709, 271124, 338905, 445418, 677810, 890836, 1113545, 1355620, 1558963, 2227090, 3117926, 4454180, 6235852, 7794815, 15589630, 31179260]

約数ペア:

[(1, 31179260), (2, 15589630), (4, 7794815), (5, 6235852), (7, 4454180), (10, 3117926), (14, 2227090), (20, 1558963), (23, 1355620), (28, 1113545), (35, 890836), (46, 677810), (70, 445418), (92, 338905), (115, 271124), (140, 222709), (161, 193660), (230, 135562), (322, 96830), (421, 74060), (460, 67781), (529, 58940), (644, 48415), (805, 38732), (842, 37030), (1058, 29470), (1610, 19366), (1684, 18515), (2105, 14812), (2116, 14735), (2645, 11788), (2947, 10580), (3220, 9683), (3703, 8420), (4210, 7406), (5290, 5894)]