15842980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2741}}^1$

素因数の和:2784

約数の個数: 36

約数和(自身を含む): 35355348

約数和(自身を除く): 19512368

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2741, 2890, 5482, 5780, 10964, 13705, 27410, 46597, 54820, 93194, 186388, 232985, 465970, 792149, 931940, 1584298, 3168596, 3960745, 7921490, 15842980]

約数ペア:

[(1, 15842980), (2, 7921490), (4, 3960745), (5, 3168596), (10, 1584298), (17, 931940), (20, 792149), (34, 465970), (68, 232985), (85, 186388), (170, 93194), (289, 54820), (340, 46597), (578, 27410), (1156, 13705), (1445, 10964), (2741, 5780), (2890, 5482)]