2458280

素因数分解:

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

素因数の和:210

約数の個数: 64

約数和(自身を含む): 6238080

約数和(自身を除く): 3779800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 151, 185, 220, 296, 302, 370, 407, 440, 604, 740, 755, 814, 1208, 1480, 1510, 1628, 1661, 2035, 3020, 3256, 3322, 4070, 5587, 6040, 6644, 8140, 8305, 11174, 13288, 16280, 16610, 22348, 27935, 33220, 44696, 55870, 61457, 66440, 111740, 122914, 223480, 245828, 307285, 491656, 614570, 1229140, 2458280]

約数ペア:

[(1, 2458280), (2, 1229140), (4, 614570), (5, 491656), (8, 307285), (10, 245828), (11, 223480), (20, 122914), (22, 111740), (37, 66440), (40, 61457), (44, 55870), (55, 44696), (74, 33220), (88, 27935), (110, 22348), (148, 16610), (151, 16280), (185, 13288), (220, 11174), (296, 8305), (302, 8140), (370, 6644), (407, 6040), (440, 5587), (604, 4070), (740, 3322), (755, 3256), (814, 3020), (1208, 2035), (1480, 1661), (1510, 1628)]