81457704

素因数分解:

$2^3\times 3^3\times {\mathrm{149}}^1\times {\mathrm{2531}}^1$

素因数の和:2695

約数の個数: 64

約数和(自身を含む): 227880000

約数和(自身を除く): 146422296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 149, 216, 298, 447, 596, 894, 1192, 1341, 1788, 2531, 2682, 3576, 4023, 5062, 5364, 7593, 8046, 10124, 10728, 15186, 16092, 20248, 22779, 30372, 32184, 45558, 60744, 68337, 91116, 136674, 182232, 273348, 377119, 546696, 754238, 1131357, 1508476, 2262714, 3016952, 3394071, 4525428, 6788142, 9050856, 10182213, 13576284, 20364426, 27152568, 40728852, 81457704]

約数ペア:

[(1, 81457704), (2, 40728852), (3, 27152568), (4, 20364426), (6, 13576284), (8, 10182213), (9, 9050856), (12, 6788142), (18, 4525428), (24, 3394071), (27, 3016952), (36, 2262714), (54, 1508476), (72, 1131357), (108, 754238), (149, 546696), (216, 377119), (298, 273348), (447, 182232), (596, 136674), (894, 91116), (1192, 68337), (1341, 60744), (1788, 45558), (2531, 32184), (2682, 30372), (3576, 22779), (4023, 20248), (5062, 16092), (5364, 15186), (7593, 10728), (8046, 10124)]