128536740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{238031}}^1$

素因数の和:238049

約数の個数: 48

約数和(自身を含む): 399893760

約数和(自身を除く): 271357020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 238031, 476062, 714093, 952124, 1190155, 1428186, 2142279, 2380310, 2856372, 3570465, 4284558, 4760620, 6426837, 7140930, 8569116, 10711395, 12853674, 14281860, 21422790, 25707348, 32134185, 42845580, 64268370, 128536740]

約数ペア:

[(1, 128536740), (2, 64268370), (3, 42845580), (4, 32134185), (5, 25707348), (6, 21422790), (9, 14281860), (10, 12853674), (12, 10711395), (15, 8569116), (18, 7140930), (20, 6426837), (27, 4760620), (30, 4284558), (36, 3570465), (45, 2856372), (54, 2380310), (60, 2142279), (90, 1428186), (108, 1190155), (135, 952124), (180, 714093), (270, 476062), (540, 238031)]