15666640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1$

素因数の和:980

約数の個数: 80

約数和(自身を含む): 41872320

約数和(自身を除く): 26205680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 937, 1045, 1520, 1672, 1874, 2090, 3344, 3748, 4180, 4685, 7496, 8360, 9370, 10307, 14992, 16720, 17803, 18740, 20614, 35606, 37480, 41228, 51535, 71212, 74960, 82456, 89015, 103070, 142424, 164912, 178030, 195833, 206140, 284848, 356060, 391666, 412280, 712120, 783332, 824560, 979165, 1424240, 1566664, 1958330, 3133328, 3916660, 7833320, 15666640]

約数ペア:

[(1, 15666640), (2, 7833320), (4, 3916660), (5, 3133328), (8, 1958330), (10, 1566664), (11, 1424240), (16, 979165), (19, 824560), (20, 783332), (22, 712120), (38, 412280), (40, 391666), (44, 356060), (55, 284848), (76, 206140), (80, 195833), (88, 178030), (95, 164912), (110, 142424), (152, 103070), (176, 89015), (190, 82456), (209, 74960), (220, 71212), (304, 51535), (380, 41228), (418, 37480), (440, 35606), (760, 20614), (836, 18740), (880, 17803), (937, 16720), (1045, 14992), (1520, 10307), (1672, 9370), (1874, 8360), (2090, 7496), (3344, 4685), (3748, 4180)]