138838860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{85703}}^1$

素因数の和:85724

約数の個数: 60

約数和(自身を含む): 435547728

約数和(自身を除く): 296708868

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, 270, 324, 405, 540, 810, 1620, 85703, 171406, 257109, 342812, 428515, 514218, 771327, 857030, 1028436, 1285545, 1542654, 1714060, 2313981, 2571090, 3085308, 3856635, 4627962, 5142180, 6941943, 7713270, 9255924, 11569905, 13883886, 15426540, 23139810, 27767772, 34709715, 46279620, 69419430, 138838860]

約数ペア:

[(1, 138838860), (2, 69419430), (3, 46279620), (4, 34709715), (5, 27767772), (6, 23139810), (9, 15426540), (10, 13883886), (12, 11569905), (15, 9255924), (18, 7713270), (20, 6941943), (27, 5142180), (30, 4627962), (36, 3856635), (45, 3085308), (54, 2571090), (60, 2313981), (81, 1714060), (90, 1542654), (108, 1285545), (135, 1028436), (162, 857030), (180, 771327), (270, 514218), (324, 428515), (405, 342812), (540, 257109), (810, 171406), (1620, 85703)]