72287680

素因数分解:

$2^6\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1013}}^1$

素因数の和:1253

約数の個数: 56

約数和(自身を含む): 173077632

約数和(自身を除く): 100789952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 223, 320, 446, 892, 1013, 1115, 1784, 2026, 2230, 3568, 4052, 4460, 5065, 7136, 8104, 8920, 10130, 14272, 16208, 17840, 20260, 32416, 35680, 40520, 64832, 71360, 81040, 162080, 225899, 324160, 451798, 903596, 1129495, 1807192, 2258990, 3614384, 4517980, 7228768, 9035960, 14457536, 18071920, 36143840, 72287680]

約数ペア:

[(1, 72287680), (2, 36143840), (4, 18071920), (5, 14457536), (8, 9035960), (10, 7228768), (16, 4517980), (20, 3614384), (32, 2258990), (40, 1807192), (64, 1129495), (80, 903596), (160, 451798), (223, 324160), (320, 225899), (446, 162080), (892, 81040), (1013, 71360), (1115, 64832), (1784, 40520), (2026, 35680), (2230, 32416), (3568, 20260), (4052, 17840), (4460, 16208), (5065, 14272), (7136, 10130), (8104, 8920)]