79781640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{664847}}^1$

素因数の和:664861

約数の個数: 32

約数和(自身を含む): 239345280

約数和(自身を除く): 159563640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 664847, 1329694, 1994541, 2659388, 3324235, 3989082, 5318776, 6648470, 7978164, 9972705, 13296940, 15956328, 19945410, 26593880, 39890820, 79781640]

約数ペア:

[(1, 79781640), (2, 39890820), (3, 26593880), (4, 19945410), (5, 15956328), (6, 13296940), (8, 9972705), (10, 7978164), (12, 6648470), (15, 5318776), (20, 3989082), (24, 3324235), (30, 2659388), (40, 1994541), (60, 1329694), (120, 664847)]