68979640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 90687560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 83, 158, 166, 263, 316, 332, 395, 415, 526, 632, 664, 790, 830, 1052, 1315, 1580, 1660, 2104, 2630, 3160, 3320, 5260, 6557, 10520, 13114, 20777, 21829, 26228, 32785, 41554, 43658, 52456, 65570, 83108, 87316, 103885, 109145, 131140, 166216, 174632, 207770, 218290, 262280, 415540, 436580, 831080, 873160, 1724491, 3448982, 6897964, 8622455, 13795928, 17244910, 34489820, 68979640]

約数ペア:

[(1, 68979640), (2, 34489820), (4, 17244910), (5, 13795928), (8, 8622455), (10, 6897964), (20, 3448982), (40, 1724491), (79, 873160), (83, 831080), (158, 436580), (166, 415540), (263, 262280), (316, 218290), (332, 207770), (395, 174632), (415, 166216), (526, 131140), (632, 109145), (664, 103885), (790, 87316), (830, 83108), (1052, 65570), (1315, 52456), (1580, 43658), (1660, 41554), (2104, 32785), (2630, 26228), (3160, 21829), (3320, 20777), (5260, 13114), (6557, 10520)]