138906960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{578779}}^1$

素因数の和:578795

約数の個数: 40

約数和(自身を含む): 430612320

約数和(自身を除く): 291705360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 578779, 1157558, 1736337, 2315116, 2893895, 3472674, 4630232, 5787790, 6945348, 8681685, 9260464, 11575580, 13890696, 17363370, 23151160, 27781392, 34726740, 46302320, 69453480, 138906960]

約数ペア:

[(1, 138906960), (2, 69453480), (3, 46302320), (4, 34726740), (5, 27781392), (6, 23151160), (8, 17363370), (10, 13890696), (12, 11575580), (15, 9260464), (16, 8681685), (20, 6945348), (24, 5787790), (30, 4630232), (40, 3472674), (48, 2893895), (60, 2315116), (80, 1736337), (120, 1157558), (240, 578779)]