15415820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3797}}^1$

素因数の和:3842

約数の個数: 48

約数和(自身を含む): 38283840

約数和(自身を除く): 22868020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 3797, 4060, 7594, 15188, 18985, 26579, 37970, 53158, 75940, 106316, 110113, 132895, 220226, 265790, 440452, 531580, 550565, 770791, 1101130, 1541582, 2202260, 3083164, 3853955, 7707910, 15415820]

約数ペア:

[(1, 15415820), (2, 7707910), (4, 3853955), (5, 3083164), (7, 2202260), (10, 1541582), (14, 1101130), (20, 770791), (28, 550565), (29, 531580), (35, 440452), (58, 265790), (70, 220226), (116, 132895), (140, 110113), (145, 106316), (203, 75940), (290, 53158), (406, 37970), (580, 26579), (812, 18985), (1015, 15188), (2030, 7594), (3797, 4060)]