15516580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 35271936

約数和(自身を除く): 19755356

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 971, 1598, 1942, 3196, 3884, 3995, 4855, 7990, 9710, 15980, 16507, 19420, 33014, 45637, 66028, 82535, 91274, 165070, 182548, 228185, 330140, 456370, 775829, 912740, 1551658, 3103316, 3879145, 7758290, 15516580]

約数ペア:

[(1, 15516580), (2, 7758290), (4, 3879145), (5, 3103316), (10, 1551658), (17, 912740), (20, 775829), (34, 456370), (47, 330140), (68, 228185), (85, 182548), (94, 165070), (170, 91274), (188, 82535), (235, 66028), (340, 45637), (470, 33014), (799, 19420), (940, 16507), (971, 15980), (1598, 9710), (1942, 7990), (3196, 4855), (3884, 3995)]