138072720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{575303}}^1$

素因数の和:575319

約数の個数: 40

約数和(自身を含む): 428026176

約数和(自身を除く): 289953456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 575303, 1150606, 1725909, 2301212, 2876515, 3451818, 4602424, 5753030, 6903636, 8629545, 9204848, 11506060, 13807272, 17259090, 23012120, 27614544, 34518180, 46024240, 69036360, 138072720]

約数ペア:

[(1, 138072720), (2, 69036360), (3, 46024240), (4, 34518180), (5, 27614544), (6, 23012120), (8, 17259090), (10, 13807272), (12, 11506060), (15, 9204848), (16, 8629545), (20, 6903636), (24, 5753030), (30, 4602424), (40, 3451818), (48, 2876515), (60, 2301212), (80, 1725909), (120, 1150606), (240, 575303)]