15542420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2689}}^1$

素因数の和:2732

約数の個数: 36

約数和(自身を含む): 34684860

約数和(自身を除く): 19142440

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2689, 2890, 5378, 5780, 10756, 13445, 26890, 45713, 53780, 91426, 182852, 228565, 457130, 777121, 914260, 1554242, 3108484, 3885605, 7771210, 15542420]

約数ペア:

[(1, 15542420), (2, 7771210), (4, 3885605), (5, 3108484), (10, 1554242), (17, 914260), (20, 777121), (34, 457130), (68, 228565), (85, 182852), (170, 91426), (289, 53780), (340, 45713), (578, 26890), (1156, 13445), (1445, 10756), (2689, 5780), (2890, 5378)]