68571880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7757}}^1$

素因数の和:7798

約数の個数: 64

約数和(自身を含む): 175951440

約数和(自身を除く): 107379560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 7757, 8840, 15514, 31028, 38785, 62056, 77570, 100841, 131869, 155140, 201682, 263738, 310280, 403364, 504205, 527476, 659345, 806728, 1008410, 1054952, 1318690, 1714297, 2016820, 2637380, 3428594, 4033640, 5274760, 6857188, 8571485, 13714376, 17142970, 34285940, 68571880]

約数ペア:

[(1, 68571880), (2, 34285940), (4, 17142970), (5, 13714376), (8, 8571485), (10, 6857188), (13, 5274760), (17, 4033640), (20, 3428594), (26, 2637380), (34, 2016820), (40, 1714297), (52, 1318690), (65, 1054952), (68, 1008410), (85, 806728), (104, 659345), (130, 527476), (136, 504205), (170, 403364), (221, 310280), (260, 263738), (340, 201682), (442, 155140), (520, 131869), (680, 100841), (884, 77570), (1105, 62056), (1768, 38785), (2210, 31028), (4420, 15514), (7757, 8840)]