656890128

素因数分解:

$2^4\times 3^3\times {\mathrm{1520579}}^1$

素因数の和:1520596

約数の個数: 40

約数和(自身を含む): 1885519200

約数和(自身を除く): 1228629072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 1520579, 3041158, 4561737, 6082316, 9123474, 12164632, 13685211, 18246948, 24329264, 27370422, 36493896, 41055633, 54740844, 72987792, 82111266, 109481688, 164222532, 218963376, 328445064, 656890128]

約数ペア:

[(1, 656890128), (2, 328445064), (3, 218963376), (4, 164222532), (6, 109481688), (8, 82111266), (9, 72987792), (12, 54740844), (16, 41055633), (18, 36493896), (24, 27370422), (27, 24329264), (36, 18246948), (48, 13685211), (54, 12164632), (72, 9123474), (108, 6082316), (144, 4561737), (216, 3041158), (432, 1520579)]