287039640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2391997}}^1$

素因数の和:2392011

約数の個数: 32

約数和(自身を含む): 861119280

約数和(自身を除く): 574079640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2391997, 4783994, 7175991, 9567988, 11959985, 14351982, 19135976, 23919970, 28703964, 35879955, 47839940, 57407928, 71759910, 95679880, 143519820, 287039640]

約数ペア:

[(1, 287039640), (2, 143519820), (3, 95679880), (4, 71759910), (5, 57407928), (6, 47839940), (8, 35879955), (10, 28703964), (12, 23919970), (15, 19135976), (20, 14351982), (24, 11959985), (30, 9567988), (40, 7175991), (60, 4783994), (120, 2391997)]