81802920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8629}}^1$

素因数の和:8722

約数の個数: 64

約数和(自身を含む): 248544000

約数和(自身を除く): 166741080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 8629, 9480, 17258, 25887, 34516, 43145, 51774, 69032, 86290, 103548, 129435, 172580, 207096, 258870, 345160, 517740, 681691, 1035480, 1363382, 2045073, 2726764, 3408455, 4090146, 5453528, 6816910, 8180292, 10225365, 13633820, 16360584, 20450730, 27267640, 40901460, 81802920]

約数ペア:

[(1, 81802920), (2, 40901460), (3, 27267640), (4, 20450730), (5, 16360584), (6, 13633820), (8, 10225365), (10, 8180292), (12, 6816910), (15, 5453528), (20, 4090146), (24, 3408455), (30, 2726764), (40, 2045073), (60, 1363382), (79, 1035480), (120, 681691), (158, 517740), (237, 345160), (316, 258870), (395, 207096), (474, 172580), (632, 129435), (790, 103548), (948, 86290), (1185, 69032), (1580, 51774), (1896, 43145), (2370, 34516), (3160, 25887), (4740, 17258), (8629, 9480)]