18042640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 160

約数和(自身を含む): 54639360

約数和(自身を除く): 36596720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 80, 88, 101, 110, 112, 116, 140, 145, 154, 176, 202, 203, 220, 232, 280, 290, 308, 319, 385, 404, 406, 440, 464, 505, 560, 580, 616, 638, 707, 770, 808, 812, 880, 1010, 1015, 1111, 1160, 1232, 1276, 1414, 1540, 1595, 1616, 1624, 2020, 2030, 2222, 2233, 2320, 2552, 2828, 2929, 3080, 3190, 3248, 3535, 4040, 4060, 4444, 4466, 5104, 5555, 5656, 5858, 6160, 6380, 7070, 7777, 8080, 8120, 8888, 8932, 11110, 11165, 11312, 11716, 12760, 14140, 14645, 15554, 16240, 17776, 17864, 20503, 22220, 22330, 23432, 25520, 28280, 29290, 31108, 32219, 35728, 38885, 41006, 44440, 44660, 46864, 56560, 58580, 62216, 64438, 77770, 82012, 88880, 89320, 102515, 117160, 124432, 128876, 155540, 161095, 164024, 178640, 205030, 225533, 234320, 257752, 311080, 322190, 328048, 410060, 451066, 515504, 622160, 644380, 820120, 902132, 1127665, 1288760, 1640240, 1804264, 2255330, 2577520, 3608528, 4510660, 9021320, 18042640]

約数ペア:

[(1, 18042640), (2, 9021320), (4, 4510660), (5, 3608528), (7, 2577520), (8, 2255330), (10, 1804264), (11, 1640240), (14, 1288760), (16, 1127665), (20, 902132), (22, 820120), (28, 644380), (29, 622160), (35, 515504), (40, 451066), (44, 410060), (55, 328048), (56, 322190), (58, 311080), (70, 257752), (77, 234320), (80, 225533), (88, 205030), (101, 178640), (110, 164024), (112, 161095), (116, 155540), (140, 128876), (145, 124432), (154, 117160), (176, 102515), (202, 89320), (203, 88880), (220, 82012), (232, 77770), (280, 64438), (290, 62216), (308, 58580), (319, 56560), (385, 46864), (404, 44660), (406, 44440), (440, 41006), (464, 38885), (505, 35728), (560, 32219), (580, 31108), (616, 29290), (638, 28280), (707, 25520), (770, 23432), (808, 22330), (812, 22220), (880, 20503), (1010, 17864), (1015, 17776), (1111, 16240), (1160, 15554), (1232, 14645), (1276, 14140), (1414, 12760), (1540, 11716), (1595, 11312), (1616, 11165), (1624, 11110), (2020, 8932), (2030, 8888), (2222, 8120), (2233, 8080), (2320, 7777), (2552, 7070), (2828, 6380), (2929, 6160), (3080, 5858), (3190, 5656), (3248, 5555), (3535, 5104), (4040, 4466), (4060, 4444)]