81566640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113287}}^1$

素因数の和:113306

約数の個数: 60

約数和(自身を含む): 273930384

約数和(自身を除く): 192363744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113287, 226574, 339861, 453148, 566435, 679722, 906296, 1019583, 1132870, 1359444, 1699305, 1812592, 2039166, 2265740, 2718888, 3398610, 4078332, 4531480, 5097915, 5437776, 6797220, 8156664, 9062960, 10195830, 13594440, 16313328, 20391660, 27188880, 40783320, 81566640]

約数ペア:

[(1, 81566640), (2, 40783320), (3, 27188880), (4, 20391660), (5, 16313328), (6, 13594440), (8, 10195830), (9, 9062960), (10, 8156664), (12, 6797220), (15, 5437776), (16, 5097915), (18, 4531480), (20, 4078332), (24, 3398610), (30, 2718888), (36, 2265740), (40, 2039166), (45, 1812592), (48, 1699305), (60, 1359444), (72, 1132870), (80, 1019583), (90, 906296), (120, 679722), (144, 566435), (180, 453148), (240, 339861), (360, 226574), (720, 113287)]