81420408

素因数分解:

$2^3\times 3^2\times {\mathrm{151}}^1\times {\mathrm{7489}}^1$

素因数の和:7652

約数の個数: 48

約数和(自身を含む): 222003600

約数和(自身を除く): 140583192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 151, 302, 453, 604, 906, 1208, 1359, 1812, 2718, 3624, 5436, 7489, 10872, 14978, 22467, 29956, 44934, 59912, 67401, 89868, 134802, 179736, 269604, 539208, 1130839, 2261678, 3392517, 4523356, 6785034, 9046712, 10177551, 13570068, 20355102, 27140136, 40710204, 81420408]

約数ペア:

[(1, 81420408), (2, 40710204), (3, 27140136), (4, 20355102), (6, 13570068), (8, 10177551), (9, 9046712), (12, 6785034), (18, 4523356), (24, 3392517), (36, 2261678), (72, 1130839), (151, 539208), (302, 269604), (453, 179736), (604, 134802), (906, 89868), (1208, 67401), (1359, 59912), (1812, 44934), (2718, 29956), (3624, 22467), (5436, 14978), (7489, 10872)]