15751580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1289}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 36408960

約数和(自身を除く): 20657380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 1289, 2444, 2578, 3055, 5156, 6110, 6445, 12220, 12890, 16757, 25780, 33514, 60583, 67028, 83785, 121166, 167570, 242332, 302915, 335140, 605830, 787579, 1211660, 1575158, 3150316, 3937895, 7875790, 15751580]

約数ペア:

[(1, 15751580), (2, 7875790), (4, 3937895), (5, 3150316), (10, 1575158), (13, 1211660), (20, 787579), (26, 605830), (47, 335140), (52, 302915), (65, 242332), (94, 167570), (130, 121166), (188, 83785), (235, 67028), (260, 60583), (470, 33514), (611, 25780), (940, 16757), (1222, 12890), (1289, 12220), (2444, 6445), (2578, 6110), (3055, 5156)]