218620560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:457

約数の個数: 160

約数和(自身を含む): 710311680

約数和(自身を除く): 491691120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 101, 116, 120, 145, 174, 202, 232, 240, 290, 303, 311, 348, 404, 435, 464, 505, 580, 606, 622, 696, 808, 870, 933, 1010, 1160, 1212, 1244, 1392, 1515, 1555, 1616, 1740, 1866, 2020, 2320, 2424, 2488, 2929, 3030, 3110, 3480, 3732, 4040, 4665, 4848, 4976, 5858, 6060, 6220, 6960, 7464, 8080, 8787, 9019, 9330, 11716, 12120, 12440, 14645, 14928, 17574, 18038, 18660, 23432, 24240, 24880, 27057, 29290, 31411, 35148, 36076, 37320, 43935, 45095, 46864, 54114, 58580, 62822, 70296, 72152, 74640, 87870, 90190, 94233, 108228, 117160, 125644, 135285, 140592, 144304, 157055, 175740, 180380, 188466, 216456, 234320, 251288, 270570, 314110, 351480, 360760, 376932, 432912, 471165, 502576, 541140, 628220, 702960, 721520, 753864, 910919, 942330, 1082280, 1256440, 1507728, 1821838, 1884660, 2164560, 2512880, 2732757, 3643676, 3769320, 4554595, 5465514, 7287352, 7538640, 9109190, 10931028, 13663785, 14574704, 18218380, 21862056, 27327570, 36436760, 43724112, 54655140, 72873520, 109310280, 218620560]

約数ペア:

[(1, 218620560), (2, 109310280), (3, 72873520), (4, 54655140), (5, 43724112), (6, 36436760), (8, 27327570), (10, 21862056), (12, 18218380), (15, 14574704), (16, 13663785), (20, 10931028), (24, 9109190), (29, 7538640), (30, 7287352), (40, 5465514), (48, 4554595), (58, 3769320), (60, 3643676), (80, 2732757), (87, 2512880), (101, 2164560), (116, 1884660), (120, 1821838), (145, 1507728), (174, 1256440), (202, 1082280), (232, 942330), (240, 910919), (290, 753864), (303, 721520), (311, 702960), (348, 628220), (404, 541140), (435, 502576), (464, 471165), (505, 432912), (580, 376932), (606, 360760), (622, 351480), (696, 314110), (808, 270570), (870, 251288), (933, 234320), (1010, 216456), (1160, 188466), (1212, 180380), (1244, 175740), (1392, 157055), (1515, 144304), (1555, 140592), (1616, 135285), (1740, 125644), (1866, 117160), (2020, 108228), (2320, 94233), (2424, 90190), (2488, 87870), (2929, 74640), (3030, 72152), (3110, 70296), (3480, 62822), (3732, 58580), (4040, 54114), (4665, 46864), (4848, 45095), (4976, 43935), (5858, 37320), (6060, 36076), (6220, 35148), (6960, 31411), (7464, 29290), (8080, 27057), (8787, 24880), (9019, 24240), (9330, 23432), (11716, 18660), (12120, 18038), (12440, 17574), (14645, 14928)]