18161080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1753}}^1$

素因数の和:1808

約数の個数: 64

約数和(自身を含む): 47989440

約数和(自身を除く): 29828360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 1753, 2072, 2590, 3506, 5180, 7012, 8765, 10360, 12271, 14024, 17530, 24542, 35060, 49084, 61355, 64861, 70120, 98168, 122710, 129722, 245420, 259444, 324305, 454027, 490840, 518888, 648610, 908054, 1297220, 1816108, 2270135, 2594440, 3632216, 4540270, 9080540, 18161080]

約数ペア:

[(1, 18161080), (2, 9080540), (4, 4540270), (5, 3632216), (7, 2594440), (8, 2270135), (10, 1816108), (14, 1297220), (20, 908054), (28, 648610), (35, 518888), (37, 490840), (40, 454027), (56, 324305), (70, 259444), (74, 245420), (140, 129722), (148, 122710), (185, 98168), (259, 70120), (280, 64861), (296, 61355), (370, 49084), (518, 35060), (740, 24542), (1036, 17530), (1295, 14024), (1480, 12271), (1753, 10360), (2072, 8765), (2590, 7012), (3506, 5180)]