15152720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 39158208

約数和(自身を除く): 24005488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 257, 268, 335, 440, 514, 536, 670, 737, 880, 1028, 1072, 1285, 1340, 1474, 2056, 2570, 2680, 2827, 2948, 3685, 4112, 5140, 5360, 5654, 5896, 7370, 10280, 11308, 11792, 14135, 14740, 17219, 20560, 22616, 28270, 29480, 34438, 45232, 56540, 58960, 68876, 86095, 113080, 137752, 172190, 189409, 226160, 275504, 344380, 378818, 688760, 757636, 947045, 1377520, 1515272, 1894090, 3030544, 3788180, 7576360, 15152720]

約数ペア:

[(1, 15152720), (2, 7576360), (4, 3788180), (5, 3030544), (8, 1894090), (10, 1515272), (11, 1377520), (16, 947045), (20, 757636), (22, 688760), (40, 378818), (44, 344380), (55, 275504), (67, 226160), (80, 189409), (88, 172190), (110, 137752), (134, 113080), (176, 86095), (220, 68876), (257, 58960), (268, 56540), (335, 45232), (440, 34438), (514, 29480), (536, 28270), (670, 22616), (737, 20560), (880, 17219), (1028, 14740), (1072, 14135), (1285, 11792), (1340, 11308), (1474, 10280), (2056, 7370), (2570, 5896), (2680, 5654), (2827, 5360), (2948, 5140), (3685, 4112)]