80322760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 212751360

約数和(自身を除く): 132428600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 107, 140, 196, 214, 245, 280, 383, 392, 428, 490, 535, 749, 766, 856, 980, 1070, 1498, 1532, 1915, 1960, 2140, 2681, 2996, 3064, 3745, 3830, 4280, 5243, 5362, 5992, 7490, 7660, 10486, 10724, 13405, 14980, 15320, 18767, 20972, 21448, 26215, 26810, 29960, 37534, 40981, 41944, 52430, 53620, 75068, 81962, 93835, 104860, 107240, 150136, 163924, 187670, 204905, 209720, 286867, 327848, 375340, 409810, 573734, 750680, 819620, 1147468, 1434335, 1639240, 2008069, 2294936, 2868670, 4016138, 5737340, 8032276, 10040345, 11474680, 16064552, 20080690, 40161380, 80322760]

約数ペア:

[(1, 80322760), (2, 40161380), (4, 20080690), (5, 16064552), (7, 11474680), (8, 10040345), (10, 8032276), (14, 5737340), (20, 4016138), (28, 2868670), (35, 2294936), (40, 2008069), (49, 1639240), (56, 1434335), (70, 1147468), (98, 819620), (107, 750680), (140, 573734), (196, 409810), (214, 375340), (245, 327848), (280, 286867), (383, 209720), (392, 204905), (428, 187670), (490, 163924), (535, 150136), (749, 107240), (766, 104860), (856, 93835), (980, 81962), (1070, 75068), (1498, 53620), (1532, 52430), (1915, 41944), (1960, 40981), (2140, 37534), (2681, 29960), (2996, 26810), (3064, 26215), (3745, 21448), (3830, 20972), (4280, 18767), (5243, 15320), (5362, 14980), (5992, 13405), (7490, 10724), (7660, 10486)]