87145520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 268697088

約数和(自身を除く): 181551568

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 43, 44, 47, 49, 55, 56, 70, 77, 80, 86, 88, 94, 98, 110, 112, 140, 154, 172, 176, 188, 196, 215, 220, 235, 245, 280, 301, 308, 329, 344, 376, 385, 392, 430, 440, 470, 473, 490, 517, 539, 560, 602, 616, 658, 688, 752, 770, 784, 860, 880, 940, 946, 980, 1034, 1078, 1204, 1232, 1316, 1505, 1540, 1645, 1720, 1880, 1892, 1960, 2021, 2068, 2107, 2156, 2303, 2365, 2408, 2585, 2632, 2695, 3010, 3080, 3290, 3311, 3440, 3619, 3760, 3784, 3920, 4042, 4136, 4214, 4312, 4606, 4730, 4816, 5170, 5264, 5390, 6020, 6160, 6580, 6622, 7238, 7568, 8084, 8272, 8428, 8624, 9212, 9460, 10105, 10340, 10535, 10780, 11515, 12040, 13160, 13244, 14147, 14476, 16168, 16555, 16856, 18095, 18424, 18920, 20210, 20680, 21070, 21560, 22231, 23030, 23177, 24080, 25333, 26320, 26488, 28294, 28952, 32336, 33110, 33712, 36190, 36848, 37840, 40420, 41360, 42140, 43120, 44462, 46060, 46354, 50666, 52976, 56588, 57904, 66220, 70735, 72380, 80840, 84280, 88924, 92120, 92708, 99029, 101332, 111155, 113176, 115885, 126665, 132440, 141470, 144760, 155617, 161680, 168560, 177848, 184240, 185416, 198058, 202664, 222310, 226352, 231770, 253330, 264880, 282940, 289520, 311234, 355696, 370832, 396116, 405328, 444620, 463540, 495145, 506660, 565880, 622468, 778085, 792232, 889240, 927080, 990290, 1013320, 1089319, 1131760, 1244936, 1556170, 1584464, 1778480, 1854160, 1980580, 2026640, 2178638, 2489872, 3112340, 3961160, 4357276, 5446595, 6224680, 7922320, 8714552, 10893190, 12449360, 17429104, 21786380, 43572760, 87145520]

約数ペア:

[(1, 87145520), (2, 43572760), (4, 21786380), (5, 17429104), (7, 12449360), (8, 10893190), (10, 8714552), (11, 7922320), (14, 6224680), (16, 5446595), (20, 4357276), (22, 3961160), (28, 3112340), (35, 2489872), (40, 2178638), (43, 2026640), (44, 1980580), (47, 1854160), (49, 1778480), (55, 1584464), (56, 1556170), (70, 1244936), (77, 1131760), (80, 1089319), (86, 1013320), (88, 990290), (94, 927080), (98, 889240), (110, 792232), (112, 778085), (140, 622468), (154, 565880), (172, 506660), (176, 495145), (188, 463540), (196, 444620), (215, 405328), (220, 396116), (235, 370832), (245, 355696), (280, 311234), (301, 289520), (308, 282940), (329, 264880), (344, 253330), (376, 231770), (385, 226352), (392, 222310), (430, 202664), (440, 198058), (470, 185416), (473, 184240), (490, 177848), (517, 168560), (539, 161680), (560, 155617), (602, 144760), (616, 141470), (658, 132440), (688, 126665), (752, 115885), (770, 113176), (784, 111155), (860, 101332), (880, 99029), (940, 92708), (946, 92120), (980, 88924), (1034, 84280), (1078, 80840), (1204, 72380), (1232, 70735), (1316, 66220), (1505, 57904), (1540, 56588), (1645, 52976), (1720, 50666), (1880, 46354), (1892, 46060), (1960, 44462), (2021, 43120), (2068, 42140), (2107, 41360), (2156, 40420), (2303, 37840), (2365, 36848), (2408, 36190), (2585, 33712), (2632, 33110), (2695, 32336), (3010, 28952), (3080, 28294), (3290, 26488), (3311, 26320), (3440, 25333), (3619, 24080), (3760, 23177), (3784, 23030), (3920, 22231), (4042, 21560), (4136, 21070), (4214, 20680), (4312, 20210), (4606, 18920), (4730, 18424), (4816, 18095), (5170, 16856), (5264, 16555), (5390, 16168), (6020, 14476), (6160, 14147), (6580, 13244), (6622, 13160), (7238, 12040), (7568, 11515), (8084, 10780), (8272, 10535), (8428, 10340), (8624, 10105), (9212, 9460)]