15681140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2713}}^1$

素因数の和:2756

約数の個数: 36

約数和(自身を含む): 34994316

約数和(自身を除く): 19313176

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2713, 2890, 5426, 5780, 10852, 13565, 27130, 46121, 54260, 92242, 184484, 230605, 461210, 784057, 922420, 1568114, 3136228, 3920285, 7840570, 15681140]

約数ペア:

[(1, 15681140), (2, 7840570), (4, 3920285), (5, 3136228), (10, 1568114), (17, 922420), (20, 784057), (34, 461210), (68, 230605), (85, 184484), (170, 92242), (289, 54260), (340, 46121), (578, 27130), (1156, 13565), (1445, 10852), (2713, 5780), (2890, 5426)]