12157960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 16872440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 223, 232, 235, 290, 376, 446, 470, 580, 892, 940, 1115, 1160, 1363, 1784, 1880, 2230, 2726, 4460, 5452, 6467, 6815, 8920, 10481, 10904, 12934, 13630, 20962, 25868, 27260, 32335, 41924, 51736, 52405, 54520, 64670, 83848, 104810, 129340, 209620, 258680, 303949, 419240, 607898, 1215796, 1519745, 2431592, 3039490, 6078980, 12157960]

約数ペア:

[(1, 12157960), (2, 6078980), (4, 3039490), (5, 2431592), (8, 1519745), (10, 1215796), (20, 607898), (29, 419240), (40, 303949), (47, 258680), (58, 209620), (94, 129340), (116, 104810), (145, 83848), (188, 64670), (223, 54520), (232, 52405), (235, 51736), (290, 41924), (376, 32335), (446, 27260), (470, 25868), (580, 20962), (892, 13630), (940, 12934), (1115, 10904), (1160, 10481), (1363, 8920), (1784, 6815), (1880, 6467), (2230, 5452), (2726, 4460)]