3115880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 7131240

約数和(自身を除く): 4015360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1277, 2440, 2554, 5108, 6385, 10216, 12770, 25540, 51080, 77897, 155794, 311588, 389485, 623176, 778970, 1557940, 3115880]

約数ペア:

[(1, 3115880), (2, 1557940), (4, 778970), (5, 623176), (8, 389485), (10, 311588), (20, 155794), (40, 77897), (61, 51080), (122, 25540), (244, 12770), (305, 10216), (488, 6385), (610, 5108), (1220, 2554), (1277, 2440)]