25497180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{15739}}^1$

素因数の和:15760

約数の個数: 60

約数和(自身を含む): 79990680

約数和(自身を除く): 54493500

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, 15739, 31478, 47217, 62956, 78695, 94434, 141651, 157390, 188868, 236085, 283302, 314780, 424953, 472170, 566604, 708255, 849906, 944340, 1274859, 1416510, 1699812, 2124765, 2549718, 2833020, 4249530, 5099436, 6374295, 8499060, 12748590, 25497180]

約数ペア:

[(1, 25497180), (2, 12748590), (3, 8499060), (4, 6374295), (5, 5099436), (6, 4249530), (9, 2833020), (10, 2549718), (12, 2124765), (15, 1699812), (18, 1416510), (20, 1274859), (27, 944340), (30, 849906), (36, 708255), (45, 566604), (54, 472170), (60, 424953), (81, 314780), (90, 283302), (108, 236085), (135, 188868), (162, 157390), (180, 141651), (270, 94434), (324, 78695), (405, 62956), (540, 47217), (810, 31478), (1620, 15739)]