180515720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:148

約数の個数: 256

約数和(自身を含む): 547430400

約数和(自身を除く): 366914680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 43, 44, 47, 55, 56, 58, 70, 77, 86, 88, 94, 110, 116, 140, 145, 154, 172, 188, 203, 215, 220, 232, 235, 280, 290, 301, 308, 319, 329, 344, 376, 385, 406, 430, 440, 470, 473, 517, 580, 602, 616, 638, 658, 770, 812, 860, 940, 946, 1015, 1034, 1160, 1204, 1247, 1276, 1316, 1363, 1505, 1540, 1595, 1624, 1645, 1720, 1880, 1892, 2021, 2030, 2068, 2233, 2365, 2408, 2494, 2552, 2585, 2632, 2726, 3010, 3080, 3190, 3290, 3311, 3619, 3784, 4042, 4060, 4136, 4466, 4730, 4988, 5170, 5452, 6020, 6235, 6380, 6580, 6622, 6815, 7238, 8084, 8120, 8729, 8932, 9460, 9541, 9976, 10105, 10340, 10904, 11165, 12040, 12470, 12760, 13160, 13244, 13630, 13717, 14147, 14476, 14993, 16168, 16555, 17458, 17864, 18095, 18920, 19082, 20210, 20680, 22231, 22330, 24940, 26488, 27260, 27434, 28294, 28952, 29986, 33110, 34916, 36190, 38164, 40420, 43645, 44462, 44660, 47705, 49880, 54520, 54868, 56588, 58609, 59972, 66220, 68585, 69832, 70735, 72380, 74965, 76328, 80840, 87290, 88924, 89320, 95410, 96019, 104951, 109736, 111155, 113176, 117218, 119944, 132440, 137170, 141470, 144760, 149930, 155617, 174580, 177848, 190820, 192038, 209902, 222310, 234436, 274340, 282940, 293045, 299860, 311234, 349160, 381640, 384076, 410263, 419804, 444620, 468872, 480095, 524755, 548680, 565880, 586090, 599720, 622468, 644699, 768152, 778085, 820526, 839608, 889240, 960190, 1049510, 1172180, 1244936, 1289398, 1556170, 1641052, 1920380, 2051315, 2099020, 2344360, 2578796, 3112340, 3223495, 3282104, 3840760, 4102630, 4198040, 4512893, 5157592, 6224680, 6446990, 8205260, 9025786, 12893980, 16410520, 18051572, 22564465, 25787960, 36103144, 45128930, 90257860, 180515720]

約数ペア:

[(1, 180515720), (2, 90257860), (4, 45128930), (5, 36103144), (7, 25787960), (8, 22564465), (10, 18051572), (11, 16410520), (14, 12893980), (20, 9025786), (22, 8205260), (28, 6446990), (29, 6224680), (35, 5157592), (40, 4512893), (43, 4198040), (44, 4102630), (47, 3840760), (55, 3282104), (56, 3223495), (58, 3112340), (70, 2578796), (77, 2344360), (86, 2099020), (88, 2051315), (94, 1920380), (110, 1641052), (116, 1556170), (140, 1289398), (145, 1244936), (154, 1172180), (172, 1049510), (188, 960190), (203, 889240), (215, 839608), (220, 820526), (232, 778085), (235, 768152), (280, 644699), (290, 622468), (301, 599720), (308, 586090), (319, 565880), (329, 548680), (344, 524755), (376, 480095), (385, 468872), (406, 444620), (430, 419804), (440, 410263), (470, 384076), (473, 381640), (517, 349160), (580, 311234), (602, 299860), (616, 293045), (638, 282940), (658, 274340), (770, 234436), (812, 222310), (860, 209902), (940, 192038), (946, 190820), (1015, 177848), (1034, 174580), (1160, 155617), (1204, 149930), (1247, 144760), (1276, 141470), (1316, 137170), (1363, 132440), (1505, 119944), (1540, 117218), (1595, 113176), (1624, 111155), (1645, 109736), (1720, 104951), (1880, 96019), (1892, 95410), (2021, 89320), (2030, 88924), (2068, 87290), (2233, 80840), (2365, 76328), (2408, 74965), (2494, 72380), (2552, 70735), (2585, 69832), (2632, 68585), (2726, 66220), (3010, 59972), (3080, 58609), (3190, 56588), (3290, 54868), (3311, 54520), (3619, 49880), (3784, 47705), (4042, 44660), (4060, 44462), (4136, 43645), (4466, 40420), (4730, 38164), (4988, 36190), (5170, 34916), (5452, 33110), (6020, 29986), (6235, 28952), (6380, 28294), (6580, 27434), (6622, 27260), (6815, 26488), (7238, 24940), (8084, 22330), (8120, 22231), (8729, 20680), (8932, 20210), (9460, 19082), (9541, 18920), (9976, 18095), (10105, 17864), (10340, 17458), (10904, 16555), (11165, 16168), (12040, 14993), (12470, 14476), (12760, 14147), (13160, 13717), (13244, 13630)]