31051160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2579}}^1$

素因数の和:2640

約数の個数: 64

約数和(自身を含む): 81734400

約数和(自身を除く): 50683240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 2579, 3010, 5158, 6020, 10316, 12040, 12895, 18053, 20632, 25790, 36106, 51580, 72212, 90265, 103160, 110897, 144424, 180530, 221794, 361060, 443588, 554485, 722120, 776279, 887176, 1108970, 1552558, 2217940, 3105116, 3881395, 4435880, 6210232, 7762790, 15525580, 31051160]

約数ペア:

[(1, 31051160), (2, 15525580), (4, 7762790), (5, 6210232), (7, 4435880), (8, 3881395), (10, 3105116), (14, 2217940), (20, 1552558), (28, 1108970), (35, 887176), (40, 776279), (43, 722120), (56, 554485), (70, 443588), (86, 361060), (140, 221794), (172, 180530), (215, 144424), (280, 110897), (301, 103160), (344, 90265), (430, 72212), (602, 51580), (860, 36106), (1204, 25790), (1505, 20632), (1720, 18053), (2408, 12895), (2579, 12040), (3010, 10316), (5158, 6020)]