15438380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2671}}^1$

素因数の和:2714

約数の個数: 36

約数和(自身を含む): 34452768

約数和(自身を除く): 19014388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2671, 2890, 5342, 5780, 10684, 13355, 26710, 45407, 53420, 90814, 181628, 227035, 454070, 771919, 908140, 1543838, 3087676, 3859595, 7719190, 15438380]

約数ペア:

[(1, 15438380), (2, 7719190), (4, 3859595), (5, 3087676), (10, 1543838), (17, 908140), (20, 771919), (34, 454070), (68, 227035), (85, 181628), (170, 90814), (289, 53420), (340, 45407), (578, 26710), (1156, 13355), (1445, 10684), (2671, 5780), (2890, 5342)]