768215680

素因数分解:

$2^7\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1693}}^1$

素因数の和:2421

約数の個数: 64

約数和(自身を含む): 1840192200

約数和(自身を除く): 1071976520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 709, 1418, 1693, 2836, 3386, 3545, 5672, 6772, 7090, 8465, 11344, 13544, 14180, 16930, 22688, 27088, 28360, 33860, 45376, 54176, 56720, 67720, 90752, 108352, 113440, 135440, 216704, 226880, 270880, 453760, 541760, 1083520, 1200337, 2400674, 4801348, 6001685, 9602696, 12003370, 19205392, 24006740, 38410784, 48013480, 76821568, 96026960, 153643136, 192053920, 384107840, 768215680]

約数ペア:

[(1, 768215680), (2, 384107840), (4, 192053920), (5, 153643136), (8, 96026960), (10, 76821568), (16, 48013480), (20, 38410784), (32, 24006740), (40, 19205392), (64, 12003370), (80, 9602696), (128, 6001685), (160, 4801348), (320, 2400674), (640, 1200337), (709, 1083520), (1418, 541760), (1693, 453760), (2836, 270880), (3386, 226880), (3545, 216704), (5672, 135440), (6772, 113440), (7090, 108352), (8465, 90752), (11344, 67720), (13544, 56720), (14180, 54176), (16930, 45376), (22688, 33860), (27088, 28360)]