15450280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22721}}^1$

素因数の和:22749

約数の個数: 32

約数和(自身を含む): 36809640

約数和(自身を除く): 21359360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 22721, 45442, 90884, 113605, 181768, 227210, 386257, 454420, 772514, 908840, 1545028, 1931285, 3090056, 3862570, 7725140, 15450280]

約数ペア:

[(1, 15450280), (2, 7725140), (4, 3862570), (5, 3090056), (8, 1931285), (10, 1545028), (17, 908840), (20, 772514), (34, 454420), (40, 386257), (68, 227210), (85, 181768), (136, 113605), (170, 90884), (340, 45442), (680, 22721)]