1390131540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1103279}}^1$

素因数の和:1103301

約数の個数: 72

約数和(自身を含む): 4819127040

約数和(自身を除く): 3428995500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1103279, 2206558, 3309837, 4413116, 5516395, 6619674, 7722953, 9929511, 11032790, 13239348, 15445906, 16549185, 19859022, 22065580, 23168859, 30891812, 33098370, 38614765, 39718044, 46337718, 49647555, 66196740, 69506577, 77229530, 92675436, 99295110, 115844295, 139013154, 154459060, 198590220, 231688590, 278026308, 347532885, 463377180, 695065770, 1390131540]

約数ペア:

[(1, 1390131540), (2, 695065770), (3, 463377180), (4, 347532885), (5, 278026308), (6, 231688590), (7, 198590220), (9, 154459060), (10, 139013154), (12, 115844295), (14, 99295110), (15, 92675436), (18, 77229530), (20, 69506577), (21, 66196740), (28, 49647555), (30, 46337718), (35, 39718044), (36, 38614765), (42, 33098370), (45, 30891812), (60, 23168859), (63, 22065580), (70, 19859022), (84, 16549185), (90, 15445906), (105, 13239348), (126, 11032790), (140, 9929511), (180, 7722953), (210, 6619674), (252, 5516395), (315, 4413116), (420, 3309837), (630, 2206558), (1260, 1103279)]