123163840

素因数分解:

$2^6\times 5^1\times {\mathrm{557}}^1\times {\mathrm{691}}^1$

素因数の和:1265

約数の個数: 56

約数和(自身を含む): 294235632

約数和(自身を除く): 171071792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 557, 691, 1114, 1382, 2228, 2764, 2785, 3455, 4456, 5528, 5570, 6910, 8912, 11056, 11140, 13820, 17824, 22112, 22280, 27640, 35648, 44224, 44560, 55280, 89120, 110560, 178240, 221120, 384887, 769774, 1539548, 1924435, 3079096, 3848870, 6158192, 7697740, 12316384, 15395480, 24632768, 30790960, 61581920, 123163840]

約数ペア:

[(1, 123163840), (2, 61581920), (4, 30790960), (5, 24632768), (8, 15395480), (10, 12316384), (16, 7697740), (20, 6158192), (32, 3848870), (40, 3079096), (64, 1924435), (80, 1539548), (160, 769774), (320, 384887), (557, 221120), (691, 178240), (1114, 110560), (1382, 89120), (2228, 55280), (2764, 44560), (2785, 44224), (3455, 35648), (4456, 27640), (5528, 22280), (5570, 22112), (6910, 17824), (8912, 13820), (11056, 11140)]