155588920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 361584000

約数和(自身を除く): 205995080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 158, 212, 265, 316, 395, 424, 530, 632, 790, 929, 1060, 1580, 1858, 2120, 3160, 3716, 4187, 4645, 7432, 8374, 9290, 16748, 18580, 20935, 33496, 37160, 41870, 49237, 73391, 83740, 98474, 146782, 167480, 196948, 246185, 293564, 366955, 393896, 492370, 587128, 733910, 984740, 1467820, 1969480, 2935640, 3889723, 7779446, 15558892, 19448615, 31117784, 38897230, 77794460, 155588920]

約数ペア:

[(1, 155588920), (2, 77794460), (4, 38897230), (5, 31117784), (8, 19448615), (10, 15558892), (20, 7779446), (40, 3889723), (53, 2935640), (79, 1969480), (106, 1467820), (158, 984740), (212, 733910), (265, 587128), (316, 492370), (395, 393896), (424, 366955), (530, 293564), (632, 246185), (790, 196948), (929, 167480), (1060, 146782), (1580, 98474), (1858, 83740), (2120, 73391), (3160, 49237), (3716, 41870), (4187, 37160), (4645, 33496), (7432, 20935), (8374, 18580), (9290, 16748)]