81982080

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 192

約数和(自身を含む): 290553120

約数和(自身を除く): 208571040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 258, 288, 320, 331, 344, 360, 384, 387, 430, 480, 516, 576, 640, 645, 662, 688, 720, 774, 860, 960, 993, 1032, 1152, 1290, 1324, 1376, 1440, 1548, 1655, 1720, 1920, 1935, 1986, 2064, 2580, 2648, 2752, 2880, 2979, 3096, 3310, 3440, 3870, 3972, 4128, 4965, 5160, 5296, 5504, 5760, 5958, 6192, 6620, 6880, 7740, 7944, 8256, 9930, 10320, 10592, 11916, 12384, 13240, 13760, 14233, 14895, 15480, 15888, 16512, 19860, 20640, 21184, 23832, 24768, 26480, 27520, 28466, 29790, 30960, 31776, 39720, 41280, 42368, 42699, 47664, 49536, 52960, 56932, 59580, 61920, 63552, 71165, 79440, 82560, 85398, 95328, 105920, 113864, 119160, 123840, 127104, 128097, 142330, 158880, 170796, 190656, 211840, 213495, 227728, 238320, 247680, 256194, 284660, 317760, 341592, 381312, 426990, 455456, 476640, 512388, 569320, 635520, 640485, 683184, 853980, 910912, 953280, 1024776, 1138640, 1280970, 1366368, 1707960, 1821824, 1906560, 2049552, 2277280, 2561940, 2732736, 3415920, 4099104, 4554560, 5123880, 5465472, 6831840, 8198208, 9109120, 10247760, 13663680, 16396416, 20495520, 27327360, 40991040, 81982080]

約数ペア:

[(1, 81982080), (2, 40991040), (3, 27327360), (4, 20495520), (5, 16396416), (6, 13663680), (8, 10247760), (9, 9109120), (10, 8198208), (12, 6831840), (15, 5465472), (16, 5123880), (18, 4554560), (20, 4099104), (24, 3415920), (30, 2732736), (32, 2561940), (36, 2277280), (40, 2049552), (43, 1906560), (45, 1821824), (48, 1707960), (60, 1366368), (64, 1280970), (72, 1138640), (80, 1024776), (86, 953280), (90, 910912), (96, 853980), (120, 683184), (128, 640485), (129, 635520), (144, 569320), (160, 512388), (172, 476640), (180, 455456), (192, 426990), (215, 381312), (240, 341592), (258, 317760), (288, 284660), (320, 256194), (331, 247680), (344, 238320), (360, 227728), (384, 213495), (387, 211840), (430, 190656), (480, 170796), (516, 158880), (576, 142330), (640, 128097), (645, 127104), (662, 123840), (688, 119160), (720, 113864), (774, 105920), (860, 95328), (960, 85398), (993, 82560), (1032, 79440), (1152, 71165), (1290, 63552), (1324, 61920), (1376, 59580), (1440, 56932), (1548, 52960), (1655, 49536), (1720, 47664), (1920, 42699), (1935, 42368), (1986, 41280), (2064, 39720), (2580, 31776), (2648, 30960), (2752, 29790), (2880, 28466), (2979, 27520), (3096, 26480), (3310, 24768), (3440, 23832), (3870, 21184), (3972, 20640), (4128, 19860), (4965, 16512), (5160, 15888), (5296, 15480), (5504, 14895), (5760, 14233), (5958, 13760), (6192, 13240), (6620, 12384), (6880, 11916), (7740, 10592), (7944, 10320), (8256, 9930)]