21665760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45137}}^1$

素因数の和:45155

約数の個数: 48

約数和(自身を含む): 68248656

約数和(自身を除く): 46582896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45137, 90274, 135411, 180548, 225685, 270822, 361096, 451370, 541644, 677055, 722192, 902740, 1083288, 1354110, 1444384, 1805480, 2166576, 2708220, 3610960, 4333152, 5416440, 7221920, 10832880, 21665760]

約数ペア:

[(1, 21665760), (2, 10832880), (3, 7221920), (4, 5416440), (5, 4333152), (6, 3610960), (8, 2708220), (10, 2166576), (12, 1805480), (15, 1444384), (16, 1354110), (20, 1083288), (24, 902740), (30, 722192), (32, 677055), (40, 541644), (48, 451370), (60, 361096), (80, 270822), (96, 225685), (120, 180548), (160, 135411), (240, 90274), (480, 45137)]