135316720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1997}}^1$

素因数の和:2039

約数の個数: 120

約数和(自身を含む): 395412192

約数和(自身を除く): 260095472

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1210, 1232, 1540, 1694, 1936, 1997, 2420, 3080, 3388, 3994, 4235, 4840, 6160, 6776, 7988, 8470, 9680, 9985, 13552, 13979, 15976, 16940, 19970, 21967, 27958, 31952, 33880, 39940, 43934, 55916, 67760, 69895, 79880, 87868, 109835, 111832, 139790, 153769, 159760, 175736, 219670, 223664, 241637, 279580, 307538, 351472, 439340, 483274, 559160, 615076, 768845, 878680, 966548, 1118320, 1208185, 1230152, 1537690, 1691459, 1757360, 1933096, 2416370, 2460304, 3075380, 3382918, 3866192, 4832740, 6150760, 6765836, 8457295, 9665480, 12301520, 13531672, 16914590, 19330960, 27063344, 33829180, 67658360, 135316720]

約数ペア:

[(1, 135316720), (2, 67658360), (4, 33829180), (5, 27063344), (7, 19330960), (8, 16914590), (10, 13531672), (11, 12301520), (14, 9665480), (16, 8457295), (20, 6765836), (22, 6150760), (28, 4832740), (35, 3866192), (40, 3382918), (44, 3075380), (55, 2460304), (56, 2416370), (70, 1933096), (77, 1757360), (80, 1691459), (88, 1537690), (110, 1230152), (112, 1208185), (121, 1118320), (140, 966548), (154, 878680), (176, 768845), (220, 615076), (242, 559160), (280, 483274), (308, 439340), (385, 351472), (440, 307538), (484, 279580), (560, 241637), (605, 223664), (616, 219670), (770, 175736), (847, 159760), (880, 153769), (968, 139790), (1210, 111832), (1232, 109835), (1540, 87868), (1694, 79880), (1936, 69895), (1997, 67760), (2420, 55916), (3080, 43934), (3388, 39940), (3994, 33880), (4235, 31952), (4840, 27958), (6160, 21967), (6776, 19970), (7988, 16940), (8470, 15976), (9680, 13979), (9985, 13552)]