128961960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1074683}}^1$

素因数の和:1074697

約数の個数: 32

約数和(自身を含む): 386886240

約数和(自身を除く): 257924280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1074683, 2149366, 3224049, 4298732, 5373415, 6448098, 8597464, 10746830, 12896196, 16120245, 21493660, 25792392, 32240490, 42987320, 64480980, 128961960]

約数ペア:

[(1, 128961960), (2, 64480980), (3, 42987320), (4, 32240490), (5, 25792392), (6, 21493660), (8, 16120245), (10, 12896196), (12, 10746830), (15, 8597464), (20, 6448098), (24, 5373415), (30, 4298732), (40, 3224049), (60, 2149366), (120, 1074683)]