81629880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{680249}}^1$

素因数の和:680263

約数の個数: 32

約数和(自身を含む): 244890000

約数和(自身を除く): 163260120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 680249, 1360498, 2040747, 2720996, 3401245, 4081494, 5441992, 6802490, 8162988, 10203735, 13604980, 16325976, 20407470, 27209960, 40814940, 81629880]

約数ペア:

[(1, 81629880), (2, 40814940), (3, 27209960), (4, 20407470), (5, 16325976), (6, 13604980), (8, 10203735), (10, 8162988), (12, 6802490), (15, 5441992), (20, 4081494), (24, 3401245), (30, 2720996), (40, 2040747), (60, 1360498), (120, 680249)]