15666130880

素因数分解:

$2^6\times 5^1\times {\mathrm{691}}^1\times {\mathrm{70849}}^1$

素因数の和:71557

約数の個数: 56

約数和(自身を含む): 37359488400

約数和(自身を除く): 21693357520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 691, 1382, 2764, 3455, 5528, 6910, 11056, 13820, 22112, 27640, 44224, 55280, 70849, 110560, 141698, 221120, 283396, 354245, 566792, 708490, 1133584, 1416980, 2267168, 2833960, 4534336, 5667920, 11335840, 22671680, 48956659, 97913318, 195826636, 244783295, 391653272, 489566590, 783306544, 979133180, 1566613088, 1958266360, 3133226176, 3916532720, 7833065440, 15666130880]

約数ペア:

[(1, 15666130880), (2, 7833065440), (4, 3916532720), (5, 3133226176), (8, 1958266360), (10, 1566613088), (16, 979133180), (20, 783306544), (32, 489566590), (40, 391653272), (64, 244783295), (80, 195826636), (160, 97913318), (320, 48956659), (691, 22671680), (1382, 11335840), (2764, 5667920), (3455, 4534336), (5528, 2833960), (6910, 2267168), (11056, 1416980), (13820, 1133584), (22112, 708490), (27640, 566792), (44224, 354245), (55280, 283396), (70849, 221120), (110560, 141698)]