31888360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1867}}^1$

素因数の和:1946

約数の個数: 64

約数和(自身を含む): 83387520

約数和(自身を除く): 51499160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 1867, 2135, 2440, 3416, 3734, 4270, 7468, 8540, 9335, 13069, 14936, 17080, 18670, 26138, 37340, 52276, 65345, 74680, 104552, 113887, 130690, 227774, 261380, 455548, 522760, 569435, 797209, 911096, 1138870, 1594418, 2277740, 3188836, 3986045, 4555480, 6377672, 7972090, 15944180, 31888360]

約数ペア:

[(1, 31888360), (2, 15944180), (4, 7972090), (5, 6377672), (7, 4555480), (8, 3986045), (10, 3188836), (14, 2277740), (20, 1594418), (28, 1138870), (35, 911096), (40, 797209), (56, 569435), (61, 522760), (70, 455548), (122, 261380), (140, 227774), (244, 130690), (280, 113887), (305, 104552), (427, 74680), (488, 65345), (610, 52276), (854, 37340), (1220, 26138), (1708, 18670), (1867, 17080), (2135, 14936), (2440, 13069), (3416, 9335), (3734, 8540), (4270, 7468)]