317280

素因数分解:

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

素因数の和:679

約数の個数: 48

約数和(自身を含む): 1000944

約数和(自身を除く): 683664

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, 661, 1322, 1983, 2644, 3305, 3966, 5288, 6610, 7932, 9915, 10576, 13220, 15864, 19830, 21152, 26440, 31728, 39660, 52880, 63456, 79320, 105760, 158640, 317280]

約数ペア:

[(1, 317280), (2, 158640), (3, 105760), (4, 79320), (5, 63456), (6, 52880), (8, 39660), (10, 31728), (12, 26440), (15, 21152), (16, 19830), (20, 15864), (24, 13220), (30, 10576), (32, 9915), (40, 7932), (48, 6610), (60, 5288), (80, 3966), (96, 3305), (120, 2644), (160, 1983), (240, 1322), (480, 661)]