68995160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{479}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 168134400

約数和(自身を除く): 99139240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 479, 520, 554, 958, 1108, 1385, 1916, 2216, 2395, 2770, 3601, 3832, 4790, 5540, 6227, 7202, 9580, 11080, 12454, 14404, 18005, 19160, 24908, 28808, 31135, 36010, 49816, 62270, 72020, 124540, 132683, 144040, 249080, 265366, 530732, 663415, 1061464, 1326830, 1724879, 2653660, 3449758, 5307320, 6899516, 8624395, 13799032, 17248790, 34497580, 68995160]

約数ペア:

[(1, 68995160), (2, 34497580), (4, 17248790), (5, 13799032), (8, 8624395), (10, 6899516), (13, 5307320), (20, 3449758), (26, 2653660), (40, 1724879), (52, 1326830), (65, 1061464), (104, 663415), (130, 530732), (260, 265366), (277, 249080), (479, 144040), (520, 132683), (554, 124540), (958, 72020), (1108, 62270), (1385, 49816), (1916, 36010), (2216, 31135), (2395, 28808), (2770, 24908), (3601, 19160), (3832, 18005), (4790, 14404), (5540, 12454), (6227, 11080), (7202, 9580)]