80533440

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:281

約数の個数: 280

約数和(自身を含む): 309798720

約数和(自身を除く): 229265280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 239, 240, 260, 270, 288, 312, 320, 324, 351, 360, 390, 405, 416, 432, 468, 478, 480, 520, 540, 576, 585, 624, 648, 702, 717, 720, 780, 810, 832, 864, 936, 956, 960, 1040, 1053, 1080, 1170, 1195, 1248, 1296, 1404, 1434, 1440, 1560, 1620, 1728, 1755, 1872, 1912, 2080, 2106, 2151, 2160, 2340, 2390, 2496, 2592, 2808, 2868, 2880, 3107, 3120, 3240, 3510, 3585, 3744, 3824, 4160, 4212, 4302, 4320, 4680, 4780, 5184, 5265, 5616, 5736, 6214, 6240, 6453, 6480, 7020, 7170, 7488, 7648, 8424, 8604, 8640, 9321, 9360, 9560, 10530, 10755, 11232, 11472, 12428, 12480, 12906, 12960, 14040, 14340, 15296, 15535, 16848, 17208, 18642, 18720, 19120, 19359, 21060, 21510, 22464, 22944, 24856, 25812, 25920, 27963, 28080, 28680, 31070, 32265, 33696, 34416, 37284, 37440, 38240, 38718, 42120, 43020, 45888, 46605, 49712, 51624, 55926, 56160, 57360, 62140, 64530, 67392, 68832, 74568, 76480, 77436, 83889, 84240, 86040, 93210, 96795, 99424, 103248, 111852, 112320, 114720, 124280, 129060, 137664, 139815, 149136, 154872, 167778, 168480, 172080, 186420, 193590, 198848, 206496, 223704, 229440, 248560, 251667, 258120, 279630, 298272, 309744, 335556, 336960, 344160, 372840, 387180, 412992, 419445, 447408, 497120, 503334, 516240, 559260, 596544, 619488, 671112, 688320, 745680, 774360, 838890, 894816, 994240, 1006668, 1032480, 1118520, 1238976, 1258335, 1342224, 1491360, 1548720, 1677780, 1789632, 2013336, 2064960, 2237040, 2516670, 2684448, 2982720, 3097440, 3355560, 4026672, 4474080, 5033340, 5368896, 6194880, 6711120, 8053344, 8948160, 10066680, 13422240, 16106688, 20133360, 26844480, 40266720, 80533440]

約数ペア:

[(1, 80533440), (2, 40266720), (3, 26844480), (4, 20133360), (5, 16106688), (6, 13422240), (8, 10066680), (9, 8948160), (10, 8053344), (12, 6711120), (13, 6194880), (15, 5368896), (16, 5033340), (18, 4474080), (20, 4026672), (24, 3355560), (26, 3097440), (27, 2982720), (30, 2684448), (32, 2516670), (36, 2237040), (39, 2064960), (40, 2013336), (45, 1789632), (48, 1677780), (52, 1548720), (54, 1491360), (60, 1342224), (64, 1258335), (65, 1238976), (72, 1118520), (78, 1032480), (80, 1006668), (81, 994240), (90, 894816), (96, 838890), (104, 774360), (108, 745680), (117, 688320), (120, 671112), (130, 619488), (135, 596544), (144, 559260), (156, 516240), (160, 503334), (162, 497120), (180, 447408), (192, 419445), (195, 412992), (208, 387180), (216, 372840), (234, 344160), (239, 336960), (240, 335556), (260, 309744), (270, 298272), (288, 279630), (312, 258120), (320, 251667), (324, 248560), (351, 229440), (360, 223704), (390, 206496), (405, 198848), (416, 193590), (432, 186420), (468, 172080), (478, 168480), (480, 167778), (520, 154872), (540, 149136), (576, 139815), (585, 137664), (624, 129060), (648, 124280), (702, 114720), (717, 112320), (720, 111852), (780, 103248), (810, 99424), (832, 96795), (864, 93210), (936, 86040), (956, 84240), (960, 83889), (1040, 77436), (1053, 76480), (1080, 74568), (1170, 68832), (1195, 67392), (1248, 64530), (1296, 62140), (1404, 57360), (1434, 56160), (1440, 55926), (1560, 51624), (1620, 49712), (1728, 46605), (1755, 45888), (1872, 43020), (1912, 42120), (2080, 38718), (2106, 38240), (2151, 37440), (2160, 37284), (2340, 34416), (2390, 33696), (2496, 32265), (2592, 31070), (2808, 28680), (2868, 28080), (2880, 27963), (3107, 25920), (3120, 25812), (3240, 24856), (3510, 22944), (3585, 22464), (3744, 21510), (3824, 21060), (4160, 19359), (4212, 19120), (4302, 18720), (4320, 18642), (4680, 17208), (4780, 16848), (5184, 15535), (5265, 15296), (5616, 14340), (5736, 14040), (6214, 12960), (6240, 12906), (6453, 12480), (6480, 12428), (7020, 11472), (7170, 11232), (7488, 10755), (7648, 10530), (8424, 9560), (8604, 9360), (8640, 9321)]