68858680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 174953520

約数和(自身を除く): 106094840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 121, 164, 205, 220, 242, 328, 347, 410, 440, 451, 484, 605, 694, 820, 902, 968, 1210, 1388, 1640, 1735, 1804, 2255, 2420, 2776, 3470, 3608, 3817, 4510, 4840, 4961, 6940, 7634, 9020, 9922, 13880, 14227, 15268, 18040, 19085, 19844, 24805, 28454, 30536, 38170, 39688, 41987, 49610, 56908, 71135, 76340, 83974, 99220, 113816, 142270, 152680, 156497, 167948, 198440, 209935, 284540, 312994, 335896, 419870, 569080, 625988, 782485, 839740, 1251976, 1564970, 1679480, 1721467, 3129940, 3442934, 6259880, 6885868, 8607335, 13771736, 17214670, 34429340, 68858680]

約数ペア:

[(1, 68858680), (2, 34429340), (4, 17214670), (5, 13771736), (8, 8607335), (10, 6885868), (11, 6259880), (20, 3442934), (22, 3129940), (40, 1721467), (41, 1679480), (44, 1564970), (55, 1251976), (82, 839740), (88, 782485), (110, 625988), (121, 569080), (164, 419870), (205, 335896), (220, 312994), (242, 284540), (328, 209935), (347, 198440), (410, 167948), (440, 156497), (451, 152680), (484, 142270), (605, 113816), (694, 99220), (820, 83974), (902, 76340), (968, 71135), (1210, 56908), (1388, 49610), (1640, 41987), (1735, 39688), (1804, 38170), (2255, 30536), (2420, 28454), (2776, 24805), (3470, 19844), (3608, 19085), (3817, 18040), (4510, 15268), (4840, 14227), (4961, 13880), (6940, 9922), (7634, 9020)]