64715960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{599}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 151848000

約数和(自身を除く): 87132040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 73, 74, 146, 148, 185, 292, 296, 365, 370, 584, 599, 730, 740, 1198, 1460, 1480, 2396, 2701, 2920, 2995, 4792, 5402, 5990, 10804, 11980, 13505, 21608, 22163, 23960, 27010, 43727, 44326, 54020, 87454, 88652, 108040, 110815, 174908, 177304, 218635, 221630, 349816, 437270, 443260, 874540, 886520, 1617899, 1749080, 3235798, 6471596, 8089495, 12943192, 16178990, 32357980, 64715960]

約数ペア:

[(1, 64715960), (2, 32357980), (4, 16178990), (5, 12943192), (8, 8089495), (10, 6471596), (20, 3235798), (37, 1749080), (40, 1617899), (73, 886520), (74, 874540), (146, 443260), (148, 437270), (185, 349816), (292, 221630), (296, 218635), (365, 177304), (370, 174908), (584, 110815), (599, 108040), (730, 88652), (740, 87454), (1198, 54020), (1460, 44326), (1480, 43727), (2396, 27010), (2701, 23960), (2920, 22163), (2995, 21608), (4792, 13505), (5402, 11980), (5990, 10804)]