72401480

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{11987}}^1$

素因数の和:12149

約数の個数: 32

約数和(自身を含む): 163995840

約数和(自身を除く): 91594360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 11987, 23974, 47948, 59935, 95896, 119870, 239740, 479480, 1810037, 3620074, 7240148, 9050185, 14480296, 18100370, 36200740, 72401480]

約数ペア:

[(1, 72401480), (2, 36200740), (4, 18100370), (5, 14480296), (8, 9050185), (10, 7240148), (20, 3620074), (40, 1810037), (151, 479480), (302, 239740), (604, 119870), (755, 95896), (1208, 59935), (1510, 47948), (3020, 23974), (6040, 11987)]