720478422

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{95987}}^1$

素因数の和:96137

約数の個数: 32

約数和(自身を含む): 1612598400

約数和(自身を除く): 892119978

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 3753, 7506, 95987, 191974, 287961, 575922, 863883, 1727766, 2591649, 5183298, 13342193, 26684386, 40026579, 80053158, 120079737, 240159474, 360239211, 720478422]

約数ペア:

[(1, 720478422), (2, 360239211), (3, 240159474), (6, 120079737), (9, 80053158), (18, 40026579), (27, 26684386), (54, 13342193), (139, 5183298), (278, 2591649), (417, 1727766), (834, 863883), (1251, 575922), (2502, 287961), (3753, 191974), (7506, 95987)]