55456720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 150505992

約数和(自身を除く): 95049272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 170, 176, 187, 220, 242, 272, 337, 340, 374, 440, 484, 605, 674, 680, 748, 880, 935, 968, 1210, 1348, 1360, 1496, 1685, 1870, 1936, 2057, 2420, 2696, 2992, 3370, 3707, 3740, 4114, 4840, 5392, 5729, 6740, 7414, 7480, 8228, 9680, 10285, 11458, 13480, 14828, 14960, 16456, 18535, 20570, 22916, 26960, 28645, 29656, 32912, 37070, 40777, 41140, 45832, 57290, 59312, 63019, 74140, 81554, 82280, 91664, 114580, 126038, 148280, 163108, 164560, 203885, 229160, 252076, 296560, 315095, 326216, 407770, 458320, 504152, 630190, 652432, 693209, 815540, 1008304, 1260380, 1386418, 1631080, 2520760, 2772836, 3262160, 3466045, 5041520, 5545672, 6932090, 11091344, 13864180, 27728360, 55456720]

約数ペア:

[(1, 55456720), (2, 27728360), (4, 13864180), (5, 11091344), (8, 6932090), (10, 5545672), (11, 5041520), (16, 3466045), (17, 3262160), (20, 2772836), (22, 2520760), (34, 1631080), (40, 1386418), (44, 1260380), (55, 1008304), (68, 815540), (80, 693209), (85, 652432), (88, 630190), (110, 504152), (121, 458320), (136, 407770), (170, 326216), (176, 315095), (187, 296560), (220, 252076), (242, 229160), (272, 203885), (337, 164560), (340, 163108), (374, 148280), (440, 126038), (484, 114580), (605, 91664), (674, 82280), (680, 81554), (748, 74140), (880, 63019), (935, 59312), (968, 57290), (1210, 45832), (1348, 41140), (1360, 40777), (1496, 37070), (1685, 32912), (1870, 29656), (1936, 28645), (2057, 26960), (2420, 22916), (2696, 20570), (2992, 18535), (3370, 16456), (3707, 14960), (3740, 14828), (4114, 13480), (4840, 11458), (5392, 10285), (5729, 9680), (6740, 8228), (7414, 7480)]