123074720

素因数分解:

$2^5\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1381}}^1$

素因数の和:1953

約数の個数: 48

約数和(自身を含む): 291496968

約数和(自身を除く): 168422248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 557, 1114, 1381, 2228, 2762, 2785, 4456, 5524, 5570, 6905, 8912, 11048, 11140, 13810, 17824, 22096, 22280, 27620, 44192, 44560, 55240, 89120, 110480, 220960, 769217, 1538434, 3076868, 3846085, 6153736, 7692170, 12307472, 15384340, 24614944, 30768680, 61537360, 123074720]

約数ペア:

[(1, 123074720), (2, 61537360), (4, 30768680), (5, 24614944), (8, 15384340), (10, 12307472), (16, 7692170), (20, 6153736), (32, 3846085), (40, 3076868), (80, 1538434), (160, 769217), (557, 220960), (1114, 110480), (1381, 89120), (2228, 55240), (2762, 44560), (2785, 44192), (4456, 27620), (5524, 22280), (5570, 22096), (6905, 17824), (8912, 13810), (11048, 11140)]