138893940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{28579}}^1$

素因数の和:28603

約数の個数: 72

約数和(自身を含む): 436931040

約数和(自身を除く): 298037100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 28579, 57158, 85737, 114316, 142895, 171474, 257211, 285790, 342948, 428685, 514422, 571580, 771633, 857370, 1028844, 1286055, 1543266, 1714740, 2314899, 2572110, 3086532, 3858165, 4629798, 5144220, 6944697, 7716330, 9259596, 11574495, 13889394, 15432660, 23148990, 27778788, 34723485, 46297980, 69446970, 138893940]

約数ペア:

[(1, 138893940), (2, 69446970), (3, 46297980), (4, 34723485), (5, 27778788), (6, 23148990), (9, 15432660), (10, 13889394), (12, 11574495), (15, 9259596), (18, 7716330), (20, 6944697), (27, 5144220), (30, 4629798), (36, 3858165), (45, 3086532), (54, 2572110), (60, 2314899), (81, 1714740), (90, 1543266), (108, 1286055), (135, 1028844), (162, 857370), (180, 771633), (243, 571580), (270, 514422), (324, 428685), (405, 342948), (486, 285790), (540, 257211), (810, 171474), (972, 142895), (1215, 114316), (1620, 85737), (2430, 57158), (4860, 28579)]