156660640

素因数分解:

$2^5\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1381}}^1$

素因数の和:2105

約数の個数: 48

約数和(自身を含む): 370901160

約数和(自身を除く): 214240520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 709, 1381, 1418, 2762, 2836, 3545, 5524, 5672, 6905, 7090, 11048, 11344, 13810, 14180, 22096, 22688, 27620, 28360, 44192, 55240, 56720, 110480, 113440, 220960, 979129, 1958258, 3916516, 4895645, 7833032, 9791290, 15666064, 19582580, 31332128, 39165160, 78330320, 156660640]

約数ペア:

[(1, 156660640), (2, 78330320), (4, 39165160), (5, 31332128), (8, 19582580), (10, 15666064), (16, 9791290), (20, 7833032), (32, 4895645), (40, 3916516), (80, 1958258), (160, 979129), (709, 220960), (1381, 113440), (1418, 110480), (2762, 56720), (2836, 55240), (3545, 44192), (5524, 28360), (5672, 27620), (6905, 22688), (7090, 22096), (11048, 14180), (11344, 13810)]