2668620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 7580160

約数和(自身を除く): 4911540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 563, 790, 948, 1126, 1185, 1580, 1689, 2252, 2370, 2815, 3378, 4740, 5630, 6756, 8445, 11260, 16890, 33780, 44477, 88954, 133431, 177908, 222385, 266862, 444770, 533724, 667155, 889540, 1334310, 2668620]

約数ペア:

[(1, 2668620), (2, 1334310), (3, 889540), (4, 667155), (5, 533724), (6, 444770), (10, 266862), (12, 222385), (15, 177908), (20, 133431), (30, 88954), (60, 44477), (79, 33780), (158, 16890), (237, 11260), (316, 8445), (395, 6756), (474, 5630), (563, 4740), (790, 3378), (948, 2815), (1126, 2370), (1185, 2252), (1580, 1689)]