16506280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 42819840

約数和(自身を除く): 26313560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 353, 668, 706, 835, 1169, 1336, 1412, 1670, 1765, 2338, 2471, 2824, 3340, 3530, 4676, 4942, 5845, 6680, 7060, 9352, 9884, 11690, 12355, 14120, 19768, 23380, 24710, 46760, 49420, 58951, 98840, 117902, 235804, 294755, 412657, 471608, 589510, 825314, 1179020, 1650628, 2063285, 2358040, 3301256, 4126570, 8253140, 16506280]

約数ペア:

[(1, 16506280), (2, 8253140), (4, 4126570), (5, 3301256), (7, 2358040), (8, 2063285), (10, 1650628), (14, 1179020), (20, 825314), (28, 589510), (35, 471608), (40, 412657), (56, 294755), (70, 235804), (140, 117902), (167, 98840), (280, 58951), (334, 49420), (353, 46760), (668, 24710), (706, 23380), (835, 19768), (1169, 14120), (1336, 12355), (1412, 11690), (1670, 9884), (1765, 9352), (2338, 7060), (2471, 6680), (2824, 5845), (3340, 4942), (3530, 4676)]