28403880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{236699}}^1$

素因数の和:236713

約数の個数: 32

約数和(自身を含む): 85212000

約数和(自身を除く): 56808120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 236699, 473398, 710097, 946796, 1183495, 1420194, 1893592, 2366990, 2840388, 3550485, 4733980, 5680776, 7100970, 9467960, 14201940, 28403880]

約数ペア:

[(1, 28403880), (2, 14201940), (3, 9467960), (4, 7100970), (5, 5680776), (6, 4733980), (8, 3550485), (10, 2840388), (12, 2366990), (15, 1893592), (20, 1420194), (24, 1183495), (30, 946796), (40, 710097), (60, 473398), (120, 236699)]