161363840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22921}}^1$

素因数の和:22951

約数の個数: 64

約数和(自身を含む): 420847920

約数和(自身を除く): 259484080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 22921, 45842, 91684, 114605, 183368, 229210, 252131, 366736, 458420, 504262, 733472, 916840, 1008524, 1260655, 1466944, 1833680, 2017048, 2521310, 2933888, 3667360, 4034096, 5042620, 7334720, 8068192, 10085240, 14669440, 16136384, 20170480, 32272768, 40340960, 80681920, 161363840]

約数ペア:

[(1, 161363840), (2, 80681920), (4, 40340960), (5, 32272768), (8, 20170480), (10, 16136384), (11, 14669440), (16, 10085240), (20, 8068192), (22, 7334720), (32, 5042620), (40, 4034096), (44, 3667360), (55, 2933888), (64, 2521310), (80, 2017048), (88, 1833680), (110, 1466944), (128, 1260655), (160, 1008524), (176, 916840), (220, 733472), (320, 504262), (352, 458420), (440, 366736), (640, 252131), (704, 229210), (880, 183368), (1408, 114605), (1760, 91684), (3520, 45842), (7040, 22921)]