71571520

素因数分解:

$2^6\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1171}}^1$

素因数の和:1379

約数の個数: 56

約数和(自身を含む): 171468288

約数和(自身を除く): 99896768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 191, 320, 382, 764, 955, 1171, 1528, 1910, 2342, 3056, 3820, 4684, 5855, 6112, 7640, 9368, 11710, 12224, 15280, 18736, 23420, 30560, 37472, 46840, 61120, 74944, 93680, 187360, 223661, 374720, 447322, 894644, 1118305, 1789288, 2236610, 3578576, 4473220, 7157152, 8946440, 14314304, 17892880, 35785760, 71571520]

約数ペア:

[(1, 71571520), (2, 35785760), (4, 17892880), (5, 14314304), (8, 8946440), (10, 7157152), (16, 4473220), (20, 3578576), (32, 2236610), (40, 1789288), (64, 1118305), (80, 894644), (160, 447322), (191, 374720), (320, 223661), (382, 187360), (764, 93680), (955, 74944), (1171, 61120), (1528, 46840), (1910, 37472), (2342, 30560), (3056, 23420), (3820, 18736), (4684, 15280), (5855, 12224), (6112, 11710), (7640, 9368)]