67831640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 158004000

約数和(自身を除く): 90172360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 113, 172, 215, 226, 344, 349, 430, 452, 565, 698, 860, 904, 1130, 1396, 1720, 1745, 2260, 2792, 3490, 4520, 4859, 6980, 9718, 13960, 15007, 19436, 24295, 30014, 38872, 39437, 48590, 60028, 75035, 78874, 97180, 120056, 150070, 157748, 194360, 197185, 300140, 315496, 394370, 600280, 788740, 1577480, 1695791, 3391582, 6783164, 8478955, 13566328, 16957910, 33915820, 67831640]

約数ペア:

[(1, 67831640), (2, 33915820), (4, 16957910), (5, 13566328), (8, 8478955), (10, 6783164), (20, 3391582), (40, 1695791), (43, 1577480), (86, 788740), (113, 600280), (172, 394370), (215, 315496), (226, 300140), (344, 197185), (349, 194360), (430, 157748), (452, 150070), (565, 120056), (698, 97180), (860, 78874), (904, 75035), (1130, 60028), (1396, 48590), (1720, 39437), (1745, 38872), (2260, 30014), (2792, 24295), (3490, 19436), (4520, 15007), (4859, 13960), (6980, 9718)]