68151520

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1697}}^1$

素因数の和:1963

約数の個数: 48

約数和(自身を含む): 161744688

約数和(自身を除く): 93593168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 1004, 1255, 1697, 2008, 2510, 3394, 4016, 5020, 6788, 8032, 8485, 10040, 13576, 16970, 20080, 27152, 33940, 40160, 54304, 67880, 135760, 271520, 425947, 851894, 1703788, 2129735, 3407576, 4259470, 6815152, 8518940, 13630304, 17037880, 34075760, 68151520]

約数ペア:

[(1, 68151520), (2, 34075760), (4, 17037880), (5, 13630304), (8, 8518940), (10, 6815152), (16, 4259470), (20, 3407576), (32, 2129735), (40, 1703788), (80, 851894), (160, 425947), (251, 271520), (502, 135760), (1004, 67880), (1255, 54304), (1697, 40160), (2008, 33940), (2510, 27152), (3394, 20080), (4016, 16970), (5020, 13576), (6788, 10040), (8032, 8485)]