2551740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 7257600

約数和(自身を除く): 4705860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 599, 710, 852, 1065, 1198, 1420, 1797, 2130, 2396, 2995, 3594, 4260, 5990, 7188, 8985, 11980, 17970, 35940, 42529, 85058, 127587, 170116, 212645, 255174, 425290, 510348, 637935, 850580, 1275870, 2551740]

約数ペア:

[(1, 2551740), (2, 1275870), (3, 850580), (4, 637935), (5, 510348), (6, 425290), (10, 255174), (12, 212645), (15, 170116), (20, 127587), (30, 85058), (60, 42529), (71, 35940), (142, 17970), (213, 11980), (284, 8985), (355, 7188), (426, 5990), (599, 4260), (710, 3594), (852, 2995), (1065, 2396), (1198, 2130), (1420, 1797)]