66390520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1867}}^1$

素因数の和:2012

約数の個数: 64

約数和(自身を含む): 172154880

約数和(自身を除く): 105764360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 1867, 2540, 3556, 3734, 4445, 5080, 7112, 7468, 8890, 9335, 13069, 14936, 17780, 18670, 26138, 35560, 37340, 52276, 65345, 74680, 104552, 130690, 237109, 261380, 474218, 522760, 948436, 1185545, 1659763, 1896872, 2371090, 3319526, 4742180, 6639052, 8298815, 9484360, 13278104, 16597630, 33195260, 66390520]

約数ペア:

[(1, 66390520), (2, 33195260), (4, 16597630), (5, 13278104), (7, 9484360), (8, 8298815), (10, 6639052), (14, 4742180), (20, 3319526), (28, 2371090), (35, 1896872), (40, 1659763), (56, 1185545), (70, 948436), (127, 522760), (140, 474218), (254, 261380), (280, 237109), (508, 130690), (635, 104552), (889, 74680), (1016, 65345), (1270, 52276), (1778, 37340), (1867, 35560), (2540, 26138), (3556, 18670), (3734, 17780), (4445, 14936), (5080, 13069), (7112, 9335), (7468, 8890)]