31353640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 73872000

約数和(自身を除く): 42518360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 151, 179, 232, 290, 302, 358, 580, 604, 716, 755, 895, 1160, 1208, 1432, 1510, 1790, 3020, 3580, 4379, 5191, 6040, 7160, 8758, 10382, 17516, 20764, 21895, 25955, 27029, 35032, 41528, 43790, 51910, 54058, 87580, 103820, 108116, 135145, 175160, 207640, 216232, 270290, 540580, 783841, 1081160, 1567682, 3135364, 3919205, 6270728, 7838410, 15676820, 31353640]

約数ペア:

[(1, 31353640), (2, 15676820), (4, 7838410), (5, 6270728), (8, 3919205), (10, 3135364), (20, 1567682), (29, 1081160), (40, 783841), (58, 540580), (116, 270290), (145, 216232), (151, 207640), (179, 175160), (232, 135145), (290, 108116), (302, 103820), (358, 87580), (580, 54058), (604, 51910), (716, 43790), (755, 41528), (895, 35032), (1160, 27029), (1208, 25955), (1432, 21895), (1510, 20764), (1790, 17516), (3020, 10382), (3580, 8758), (4379, 7160), (5191, 6040)]