158640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{661}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 492528

約数和(自身を除く): 333888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 661, 1322, 1983, 2644, 3305, 3966, 5288, 6610, 7932, 9915, 10576, 13220, 15864, 19830, 26440, 31728, 39660, 52880, 79320, 158640]

約数ペア:

[(1, 158640), (2, 79320), (3, 52880), (4, 39660), (5, 31728), (6, 26440), (8, 19830), (10, 15864), (12, 13220), (15, 10576), (16, 9915), (20, 7932), (24, 6610), (30, 5288), (40, 3966), (48, 3305), (60, 2644), (80, 1983), (120, 1322), (240, 661)]