56540440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 149713920

約数和(自身を除く): 93173480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 37, 40, 44, 46, 55, 74, 88, 92, 110, 115, 148, 151, 184, 185, 220, 230, 253, 296, 302, 370, 407, 440, 460, 506, 604, 740, 755, 814, 851, 920, 1012, 1208, 1265, 1480, 1510, 1628, 1661, 1702, 2024, 2035, 2530, 3020, 3256, 3322, 3404, 3473, 4070, 4255, 5060, 5587, 6040, 6644, 6808, 6946, 8140, 8305, 8510, 9361, 10120, 11174, 13288, 13892, 16280, 16610, 17020, 17365, 18722, 22348, 27784, 27935, 33220, 34040, 34730, 37444, 38203, 44696, 46805, 55870, 61457, 66440, 69460, 74888, 76406, 93610, 111740, 122914, 128501, 138920, 152812, 187220, 191015, 223480, 245828, 257002, 305624, 307285, 374440, 382030, 491656, 514004, 614570, 642505, 764060, 1028008, 1229140, 1285010, 1413511, 1528120, 2458280, 2570020, 2827022, 5140040, 5654044, 7067555, 11308088, 14135110, 28270220, 56540440]

約数ペア:

[(1, 56540440), (2, 28270220), (4, 14135110), (5, 11308088), (8, 7067555), (10, 5654044), (11, 5140040), (20, 2827022), (22, 2570020), (23, 2458280), (37, 1528120), (40, 1413511), (44, 1285010), (46, 1229140), (55, 1028008), (74, 764060), (88, 642505), (92, 614570), (110, 514004), (115, 491656), (148, 382030), (151, 374440), (184, 307285), (185, 305624), (220, 257002), (230, 245828), (253, 223480), (296, 191015), (302, 187220), (370, 152812), (407, 138920), (440, 128501), (460, 122914), (506, 111740), (604, 93610), (740, 76406), (755, 74888), (814, 69460), (851, 66440), (920, 61457), (1012, 55870), (1208, 46805), (1265, 44696), (1480, 38203), (1510, 37444), (1628, 34730), (1661, 34040), (1702, 33220), (2024, 27935), (2035, 27784), (2530, 22348), (3020, 18722), (3256, 17365), (3322, 17020), (3404, 16610), (3473, 16280), (4070, 13892), (4255, 13288), (5060, 11174), (5587, 10120), (6040, 9361), (6644, 8510), (6808, 8305), (6946, 8140)]