15575140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 39759552

約数和(自身を除く): 24184412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 691, 805, 980, 1127, 1382, 1610, 2254, 2764, 3220, 3455, 4508, 4837, 5635, 6910, 9674, 11270, 13820, 15893, 19348, 22540, 24185, 31786, 33859, 48370, 63572, 67718, 79465, 96740, 111251, 135436, 158930, 169295, 222502, 317860, 338590, 445004, 556255, 677180, 778757, 1112510, 1557514, 2225020, 3115028, 3893785, 7787570, 15575140]

約数ペア:

[(1, 15575140), (2, 7787570), (4, 3893785), (5, 3115028), (7, 2225020), (10, 1557514), (14, 1112510), (20, 778757), (23, 677180), (28, 556255), (35, 445004), (46, 338590), (49, 317860), (70, 222502), (92, 169295), (98, 158930), (115, 135436), (140, 111251), (161, 96740), (196, 79465), (230, 67718), (245, 63572), (322, 48370), (460, 33859), (490, 31786), (644, 24185), (691, 22540), (805, 19348), (980, 15893), (1127, 13820), (1382, 11270), (1610, 9674), (2254, 6910), (2764, 5635), (3220, 4837), (3455, 4508)]