15990310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7877}}^1$

素因数の和:7920

約数の個数: 32

約数和(自身を含む): 34032960

約数和(自身を除く): 18042650

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 7877, 15754, 39385, 55139, 78770, 110278, 228433, 275695, 456866, 551390, 1142165, 1599031, 2284330, 3198062, 7995155, 15990310]

約数ペア:

[(1, 15990310), (2, 7995155), (5, 3198062), (7, 2284330), (10, 1599031), (14, 1142165), (29, 551390), (35, 456866), (58, 275695), (70, 228433), (145, 110278), (203, 78770), (290, 55139), (406, 39385), (1015, 15754), (2030, 7877)]