66876760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 156909600

約数和(自身を除く): 90032840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 73, 74, 146, 148, 185, 292, 296, 365, 370, 584, 619, 730, 740, 1238, 1460, 1480, 2476, 2701, 2920, 3095, 4952, 5402, 6190, 10804, 12380, 13505, 21608, 22903, 24760, 27010, 45187, 45806, 54020, 90374, 91612, 108040, 114515, 180748, 183224, 225935, 229030, 361496, 451870, 458060, 903740, 916120, 1671919, 1807480, 3343838, 6687676, 8359595, 13375352, 16719190, 33438380, 66876760]

約数ペア:

[(1, 66876760), (2, 33438380), (4, 16719190), (5, 13375352), (8, 8359595), (10, 6687676), (20, 3343838), (37, 1807480), (40, 1671919), (73, 916120), (74, 903740), (146, 458060), (148, 451870), (185, 361496), (292, 229030), (296, 225935), (365, 183224), (370, 180748), (584, 114515), (619, 108040), (730, 91612), (740, 90374), (1238, 54020), (1460, 45806), (1480, 45187), (2476, 27010), (2701, 24760), (2920, 22903), (3095, 21608), (4952, 13505), (5402, 12380), (6190, 10804)]