205528080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20887}}^1$

素因数の和:20944

約数の個数: 80

約数和(自身を含む): 652708224

約数和(自身を除く): 447180144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 9840, 20887, 41774, 62661, 83548, 104435, 125322, 167096, 208870, 250644, 313305, 334192, 417740, 501288, 626610, 835480, 856367, 1002576, 1253220, 1670960, 1712734, 2506440, 2569101, 3425468, 4281835, 5012880, 5138202, 6850936, 8563670, 10276404, 12845505, 13701872, 17127340, 20552808, 25691010, 34254680, 41105616, 51382020, 68509360, 102764040, 205528080]

約数ペア:

[(1, 205528080), (2, 102764040), (3, 68509360), (4, 51382020), (5, 41105616), (6, 34254680), (8, 25691010), (10, 20552808), (12, 17127340), (15, 13701872), (16, 12845505), (20, 10276404), (24, 8563670), (30, 6850936), (40, 5138202), (41, 5012880), (48, 4281835), (60, 3425468), (80, 2569101), (82, 2506440), (120, 1712734), (123, 1670960), (164, 1253220), (205, 1002576), (240, 856367), (246, 835480), (328, 626610), (410, 501288), (492, 417740), (615, 334192), (656, 313305), (820, 250644), (984, 208870), (1230, 167096), (1640, 125322), (1968, 104435), (2460, 83548), (3280, 62661), (4920, 41774), (9840, 20887)]