131875740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3719}}^1$

素因数の和:3931

約数の個数: 72

約数和(自身を含む): 402161760

約数和(自身を除く): 270286020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3719, 3940, 5910, 7092, 7438, 8865, 11157, 11820, 14876, 17730, 18595, 22314, 33471, 35460, 37190, 44628, 55785, 66942, 74380, 111570, 133884, 167355, 223140, 334710, 669420, 732643, 1465286, 2197929, 2930572, 3663215, 4395858, 6593787, 7326430, 8791716, 10989645, 13187574, 14652860, 21979290, 26375148, 32968935, 43958580, 65937870, 131875740]

約数ペア:

[(1, 131875740), (2, 65937870), (3, 43958580), (4, 32968935), (5, 26375148), (6, 21979290), (9, 14652860), (10, 13187574), (12, 10989645), (15, 8791716), (18, 7326430), (20, 6593787), (30, 4395858), (36, 3663215), (45, 2930572), (60, 2197929), (90, 1465286), (180, 732643), (197, 669420), (394, 334710), (591, 223140), (788, 167355), (985, 133884), (1182, 111570), (1773, 74380), (1970, 66942), (2364, 55785), (2955, 44628), (3546, 37190), (3719, 35460), (3940, 33471), (5910, 22314), (7092, 18595), (7438, 17730), (8865, 14876), (11157, 11820)]