128567280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{535697}}^1$

素因数の和:535713

約数の個数: 40

約数和(自身を含む): 398559312

約数和(自身を除く): 269992032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 535697, 1071394, 1607091, 2142788, 2678485, 3214182, 4285576, 5356970, 6428364, 8035455, 8571152, 10713940, 12856728, 16070910, 21427880, 25713456, 32141820, 42855760, 64283640, 128567280]

約数ペア:

[(1, 128567280), (2, 64283640), (3, 42855760), (4, 32141820), (5, 25713456), (6, 21427880), (8, 16070910), (10, 12856728), (12, 10713940), (15, 8571152), (16, 8035455), (20, 6428364), (24, 5356970), (30, 4285576), (40, 3214182), (48, 2678485), (60, 2142788), (80, 1607091), (120, 1071394), (240, 535697)]