67891980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87041}}^1$

素因数の和:87066

約数の個数: 48

約数和(自身を含む): 204722784

約数和(自身を除く): 136830804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 87041, 174082, 261123, 348164, 435205, 522246, 870410, 1044492, 1131533, 1305615, 1740820, 2263066, 2611230, 3394599, 4526132, 5222460, 5657665, 6789198, 11315330, 13578396, 16972995, 22630660, 33945990, 67891980]

約数ペア:

[(1, 67891980), (2, 33945990), (3, 22630660), (4, 16972995), (5, 13578396), (6, 11315330), (10, 6789198), (12, 5657665), (13, 5222460), (15, 4526132), (20, 3394599), (26, 2611230), (30, 2263066), (39, 1740820), (52, 1305615), (60, 1131533), (65, 1044492), (78, 870410), (130, 522246), (156, 435205), (195, 348164), (260, 261123), (390, 174082), (780, 87041)]