660856728

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{80279}}^1$

素因数の和:80309

約数の個数: 64

約数和(自身を含む): 1926720000

約数和(自身を除く): 1265863272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2744, 4116, 8232, 80279, 160558, 240837, 321116, 481674, 561953, 642232, 963348, 1123906, 1685859, 1926696, 2247812, 3371718, 3933671, 4495624, 6743436, 7867342, 11801013, 13486872, 15734684, 23602026, 27535697, 31469368, 47204052, 55071394, 82607091, 94408104, 110142788, 165214182, 220285576, 330428364, 660856728]

約数ペア:

[(1, 660856728), (2, 330428364), (3, 220285576), (4, 165214182), (6, 110142788), (7, 94408104), (8, 82607091), (12, 55071394), (14, 47204052), (21, 31469368), (24, 27535697), (28, 23602026), (42, 15734684), (49, 13486872), (56, 11801013), (84, 7867342), (98, 6743436), (147, 4495624), (168, 3933671), (196, 3371718), (294, 2247812), (343, 1926696), (392, 1685859), (588, 1123906), (686, 963348), (1029, 642232), (1176, 561953), (1372, 481674), (2058, 321116), (2744, 240837), (4116, 160558), (8232, 80279)]