139156980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{31771}}^1$

素因数の和:31856

約数の個数: 48

約数和(自身を含む): 394989504

約数和(自身を除く): 255832524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 31771, 63542, 95313, 127084, 158855, 190626, 317710, 381252, 476565, 635420, 953130, 1906260, 2319283, 4638566, 6957849, 9277132, 11596415, 13915698, 23192830, 27831396, 34789245, 46385660, 69578490, 139156980]

約数ペア:

[(1, 139156980), (2, 69578490), (3, 46385660), (4, 34789245), (5, 27831396), (6, 23192830), (10, 13915698), (12, 11596415), (15, 9277132), (20, 6957849), (30, 4638566), (60, 2319283), (73, 1906260), (146, 953130), (219, 635420), (292, 476565), (365, 381252), (438, 317710), (730, 190626), (876, 158855), (1095, 127084), (1460, 95313), (2190, 63542), (4380, 31771)]