15787220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 35743680

約数和(自身を除く): 19956460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 787, 1003, 1180, 1574, 2006, 3148, 3935, 4012, 5015, 7870, 10030, 13379, 15740, 20060, 26758, 46433, 53516, 66895, 92866, 133790, 185732, 232165, 267580, 464330, 789361, 928660, 1578722, 3157444, 3946805, 7893610, 15787220]

約数ペア:

[(1, 15787220), (2, 7893610), (4, 3946805), (5, 3157444), (10, 1578722), (17, 928660), (20, 789361), (34, 464330), (59, 267580), (68, 232165), (85, 185732), (118, 133790), (170, 92866), (236, 66895), (295, 53516), (340, 46433), (590, 26758), (787, 20060), (1003, 15740), (1180, 13379), (1574, 10030), (2006, 7870), (3148, 5015), (3935, 4012)]