15944180

素因数分解:

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

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 38914176

約数和(自身を除く): 22969996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 1867, 2135, 3734, 4270, 7468, 8540, 9335, 13069, 18670, 26138, 37340, 52276, 65345, 113887, 130690, 227774, 261380, 455548, 569435, 797209, 1138870, 1594418, 2277740, 3188836, 3986045, 7972090, 15944180]

約数ペア:

[(1, 15944180), (2, 7972090), (4, 3986045), (5, 3188836), (7, 2277740), (10, 1594418), (14, 1138870), (20, 797209), (28, 569435), (35, 455548), (61, 261380), (70, 227774), (122, 130690), (140, 113887), (244, 65345), (305, 52276), (427, 37340), (610, 26138), (854, 18670), (1220, 13069), (1708, 9335), (1867, 8540), (2135, 7468), (3734, 4270)]