15740620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3877}}^1$

素因数の和:3922

約数の個数: 48

約数和(自身を含む): 39090240

約数和(自身を除く): 23349620

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, 3877, 4060, 7754, 15508, 19385, 27139, 38770, 54278, 77540, 108556, 112433, 135695, 224866, 271390, 449732, 542780, 562165, 787031, 1124330, 1574062, 2248660, 3148124, 3935155, 7870310, 15740620]

約数ペア:

[(1, 15740620), (2, 7870310), (4, 3935155), (5, 3148124), (7, 2248660), (10, 1574062), (14, 1124330), (20, 787031), (28, 562165), (29, 542780), (35, 449732), (58, 271390), (70, 224866), (116, 135695), (140, 112433), (145, 108556), (203, 77540), (290, 54278), (406, 38770), (580, 27139), (812, 19385), (1015, 15508), (2030, 7754), (3877, 4060)]