133355920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 327836160

約数和(自身を除く): 194480240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 47, 58, 80, 94, 116, 145, 188, 232, 235, 290, 376, 464, 470, 580, 752, 940, 1160, 1223, 1363, 1880, 2320, 2446, 2726, 3760, 4892, 5452, 6115, 6815, 9784, 10904, 12230, 13630, 19568, 21808, 24460, 27260, 35467, 48920, 54520, 57481, 70934, 97840, 109040, 114962, 141868, 177335, 229924, 283736, 287405, 354670, 459848, 567472, 574810, 709340, 919696, 1149620, 1418680, 1666949, 2299240, 2837360, 3333898, 4598480, 6667796, 8334745, 13335592, 16669490, 26671184, 33338980, 66677960, 133355920]

約数ペア:

[(1, 133355920), (2, 66677960), (4, 33338980), (5, 26671184), (8, 16669490), (10, 13335592), (16, 8334745), (20, 6667796), (29, 4598480), (40, 3333898), (47, 2837360), (58, 2299240), (80, 1666949), (94, 1418680), (116, 1149620), (145, 919696), (188, 709340), (232, 574810), (235, 567472), (290, 459848), (376, 354670), (464, 287405), (470, 283736), (580, 229924), (752, 177335), (940, 141868), (1160, 114962), (1223, 109040), (1363, 97840), (1880, 70934), (2320, 57481), (2446, 54520), (2726, 48920), (3760, 35467), (4892, 27260), (5452, 24460), (6115, 21808), (6815, 19568), (9784, 13630), (10904, 12230)]