253219120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 240

約数和(自身を含む): 767075904

約数和(自身を除く): 513856784

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 80, 88, 101, 110, 112, 121, 140, 148, 154, 176, 185, 202, 220, 242, 259, 280, 296, 308, 370, 385, 404, 407, 440, 484, 505, 518, 560, 592, 605, 616, 707, 740, 770, 808, 814, 847, 880, 968, 1010, 1036, 1111, 1210, 1232, 1295, 1414, 1480, 1540, 1616, 1628, 1694, 1936, 2020, 2035, 2072, 2222, 2420, 2590, 2828, 2849, 2960, 3080, 3256, 3388, 3535, 3737, 4040, 4070, 4144, 4235, 4444, 4477, 4840, 5180, 5555, 5656, 5698, 6160, 6512, 6776, 7070, 7474, 7777, 8080, 8140, 8470, 8888, 8954, 9680, 10360, 11110, 11312, 11396, 12221, 13552, 14140, 14245, 14948, 15554, 16280, 16940, 17776, 17908, 18685, 20720, 22220, 22385, 22792, 24442, 26159, 28280, 28490, 29896, 31108, 31339, 32560, 33880, 35816, 37370, 38885, 41107, 44440, 44770, 45584, 48884, 52318, 56560, 56980, 59792, 61105, 62216, 62678, 67760, 71632, 74740, 77770, 82214, 85547, 88880, 89540, 97768, 104636, 113960, 122210, 124432, 125356, 130795, 149480, 155540, 156695, 164428, 171094, 179080, 195536, 205535, 209272, 227920, 244420, 250712, 261590, 287749, 298960, 311080, 313390, 328856, 342188, 358160, 411070, 418544, 427735, 452177, 488840, 501424, 523180, 575498, 622160, 626780, 657712, 684376, 822140, 855470, 904354, 977680, 1046360, 1150996, 1253560, 1368752, 1438745, 1644280, 1710940, 1808708, 2092720, 2260885, 2301992, 2507120, 2877490, 3165239, 3288560, 3421880, 3617416, 4521770, 4603984, 5754980, 6330478, 6843760, 7234832, 9043540, 11509960, 12660956, 15826195, 18087080, 23019920, 25321912, 31652390, 36174160, 50643824, 63304780, 126609560, 253219120]

約数ペア:

[(1, 253219120), (2, 126609560), (4, 63304780), (5, 50643824), (7, 36174160), (8, 31652390), (10, 25321912), (11, 23019920), (14, 18087080), (16, 15826195), (20, 12660956), (22, 11509960), (28, 9043540), (35, 7234832), (37, 6843760), (40, 6330478), (44, 5754980), (55, 4603984), (56, 4521770), (70, 3617416), (74, 3421880), (77, 3288560), (80, 3165239), (88, 2877490), (101, 2507120), (110, 2301992), (112, 2260885), (121, 2092720), (140, 1808708), (148, 1710940), (154, 1644280), (176, 1438745), (185, 1368752), (202, 1253560), (220, 1150996), (242, 1046360), (259, 977680), (280, 904354), (296, 855470), (308, 822140), (370, 684376), (385, 657712), (404, 626780), (407, 622160), (440, 575498), (484, 523180), (505, 501424), (518, 488840), (560, 452177), (592, 427735), (605, 418544), (616, 411070), (707, 358160), (740, 342188), (770, 328856), (808, 313390), (814, 311080), (847, 298960), (880, 287749), (968, 261590), (1010, 250712), (1036, 244420), (1111, 227920), (1210, 209272), (1232, 205535), (1295, 195536), (1414, 179080), (1480, 171094), (1540, 164428), (1616, 156695), (1628, 155540), (1694, 149480), (1936, 130795), (2020, 125356), (2035, 124432), (2072, 122210), (2222, 113960), (2420, 104636), (2590, 97768), (2828, 89540), (2849, 88880), (2960, 85547), (3080, 82214), (3256, 77770), (3388, 74740), (3535, 71632), (3737, 67760), (4040, 62678), (4070, 62216), (4144, 61105), (4235, 59792), (4444, 56980), (4477, 56560), (4840, 52318), (5180, 48884), (5555, 45584), (5656, 44770), (5698, 44440), (6160, 41107), (6512, 38885), (6776, 37370), (7070, 35816), (7474, 33880), (7777, 32560), (8080, 31339), (8140, 31108), (8470, 29896), (8888, 28490), (8954, 28280), (9680, 26159), (10360, 24442), (11110, 22792), (11312, 22385), (11396, 22220), (12221, 20720), (13552, 18685), (14140, 17908), (14245, 17776), (14948, 16940), (15554, 16280)]