81937440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1459}}^1$

素因数の和:1496

約数の個数: 192

約数和(自身を含む): 309052800

約数和(自身を除く): 227115360

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, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1404, 1440, 1459, 1560, 1755, 1872, 2080, 2160, 2340, 2808, 2918, 3120, 3510, 3744, 4320, 4377, 4680, 5616, 5836, 6240, 7020, 7295, 8754, 9360, 11232, 11672, 13131, 14040, 14590, 17508, 18720, 18967, 21885, 23344, 26262, 28080, 29180, 35016, 37934, 39393, 43770, 46688, 52524, 56160, 56901, 58360, 65655, 70032, 75868, 78786, 87540, 94835, 105048, 113802, 116720, 131310, 140064, 151736, 157572, 170703, 175080, 189670, 196965, 210096, 227604, 233440, 262620, 284505, 303472, 315144, 341406, 350160, 379340, 393930, 420192, 455208, 512109, 525240, 569010, 606944, 630288, 682812, 700320, 758680, 787860, 853515, 910416, 1024218, 1050480, 1138020, 1260576, 1365624, 1517360, 1575720, 1707030, 1820832, 2048436, 2100960, 2276040, 2560545, 2731248, 3034720, 3151440, 3414060, 4096872, 4552080, 5121090, 5462496, 6302880, 6828120, 8193744, 9104160, 10242180, 13656240, 16387488, 20484360, 27312480, 40968720, 81937440]

約数ペア:

[(1, 81937440), (2, 40968720), (3, 27312480), (4, 20484360), (5, 16387488), (6, 13656240), (8, 10242180), (9, 9104160), (10, 8193744), (12, 6828120), (13, 6302880), (15, 5462496), (16, 5121090), (18, 4552080), (20, 4096872), (24, 3414060), (26, 3151440), (27, 3034720), (30, 2731248), (32, 2560545), (36, 2276040), (39, 2100960), (40, 2048436), (45, 1820832), (48, 1707030), (52, 1575720), (54, 1517360), (60, 1365624), (65, 1260576), (72, 1138020), (78, 1050480), (80, 1024218), (90, 910416), (96, 853515), (104, 787860), (108, 758680), (117, 700320), (120, 682812), (130, 630288), (135, 606944), (144, 569010), (156, 525240), (160, 512109), (180, 455208), (195, 420192), (208, 393930), (216, 379340), (234, 350160), (240, 341406), (260, 315144), (270, 303472), (288, 284505), (312, 262620), (351, 233440), (360, 227604), (390, 210096), (416, 196965), (432, 189670), (468, 175080), (480, 170703), (520, 157572), (540, 151736), (585, 140064), (624, 131310), (702, 116720), (720, 113802), (780, 105048), (864, 94835), (936, 87540), (1040, 78786), (1080, 75868), (1170, 70032), (1248, 65655), (1404, 58360), (1440, 56901), (1459, 56160), (1560, 52524), (1755, 46688), (1872, 43770), (2080, 39393), (2160, 37934), (2340, 35016), (2808, 29180), (2918, 28080), (3120, 26262), (3510, 23344), (3744, 21885), (4320, 18967), (4377, 18720), (4680, 17508), (5616, 14590), (5836, 14040), (6240, 13131), (7020, 11672), (7295, 11232), (8754, 9360)]