28841640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{240347}}^1$

素因数の和:240361

約数の個数: 32

約数和(自身を含む): 86525280

約数和(自身を除く): 57683640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 240347, 480694, 721041, 961388, 1201735, 1442082, 1922776, 2403470, 2884164, 3605205, 4806940, 5768328, 7210410, 9613880, 14420820, 28841640]

約数ペア:

[(1, 28841640), (2, 14420820), (3, 9613880), (4, 7210410), (5, 5768328), (6, 4806940), (8, 3605205), (10, 2884164), (12, 2403470), (15, 1922776), (20, 1442082), (24, 1201735), (30, 961388), (40, 721041), (60, 480694), (120, 240347)]