67986660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{161873}}^1$

素因数の和:161892

約数の個数: 48

約数和(自身を含む): 217558656

約数和(自身を除く): 149571996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 161873, 323746, 485619, 647492, 809365, 971238, 1133111, 1618730, 1942476, 2266222, 2428095, 3237460, 3399333, 4532444, 4856190, 5665555, 6798666, 9712380, 11331110, 13597332, 16996665, 22662220, 33993330, 67986660]

約数ペア:

[(1, 67986660), (2, 33993330), (3, 22662220), (4, 16996665), (5, 13597332), (6, 11331110), (7, 9712380), (10, 6798666), (12, 5665555), (14, 4856190), (15, 4532444), (20, 3399333), (21, 3237460), (28, 2428095), (30, 2266222), (35, 1942476), (42, 1618730), (60, 1133111), (70, 971238), (84, 809365), (105, 647492), (140, 485619), (210, 323746), (420, 161873)]