1990012320

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1663}}^1$

素因数の和:1964

約数の個数: 192

約数和(自身を含む): 6994391040

約数和(自身を除く): 5004378720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 277, 288, 360, 432, 480, 540, 554, 720, 831, 864, 1080, 1108, 1385, 1440, 1662, 1663, 2160, 2216, 2493, 2770, 3324, 3326, 4155, 4320, 4432, 4986, 4989, 5540, 6648, 6652, 7479, 8310, 8315, 8864, 9972, 9978, 11080, 12465, 13296, 13304, 14958, 14967, 16620, 16630, 19944, 19956, 22160, 24930, 24945, 26592, 26608, 29916, 29934, 33240, 33260, 37395, 39888, 39912, 44320, 44901, 49860, 49890, 53216, 59832, 59868, 66480, 66520, 74790, 74835, 79776, 79824, 89802, 99720, 99780, 119664, 119736, 132960, 133040, 149580, 149670, 159648, 179604, 199440, 199560, 224505, 239328, 239472, 266080, 299160, 299340, 359208, 398880, 399120, 449010, 460651, 478944, 598320, 598680, 718416, 798240, 898020, 921302, 1196640, 1197360, 1381953, 1436832, 1796040, 1842604, 2303255, 2394720, 2763906, 3592080, 3685208, 4145859, 4606510, 5527812, 6909765, 7184160, 7370416, 8291718, 9213020, 11055624, 12437577, 13819530, 14740832, 16583436, 18426040, 20729295, 22111248, 24875154, 27639060, 33166872, 36852080, 41458590, 44222496, 49750308, 55278120, 62187885, 66333744, 73704160, 82917180, 99500616, 110556240, 124375770, 132667488, 165834360, 199001232, 221112480, 248751540, 331668720, 398002464, 497503080, 663337440, 995006160, 1990012320]

約数ペア:

[(1, 1990012320), (2, 995006160), (3, 663337440), (4, 497503080), (5, 398002464), (6, 331668720), (8, 248751540), (9, 221112480), (10, 199001232), (12, 165834360), (15, 132667488), (16, 124375770), (18, 110556240), (20, 99500616), (24, 82917180), (27, 73704160), (30, 66333744), (32, 62187885), (36, 55278120), (40, 49750308), (45, 44222496), (48, 41458590), (54, 36852080), (60, 33166872), (72, 27639060), (80, 24875154), (90, 22111248), (96, 20729295), (108, 18426040), (120, 16583436), (135, 14740832), (144, 13819530), (160, 12437577), (180, 11055624), (216, 9213020), (240, 8291718), (270, 7370416), (277, 7184160), (288, 6909765), (360, 5527812), (432, 4606510), (480, 4145859), (540, 3685208), (554, 3592080), (720, 2763906), (831, 2394720), (864, 2303255), (1080, 1842604), (1108, 1796040), (1385, 1436832), (1440, 1381953), (1662, 1197360), (1663, 1196640), (2160, 921302), (2216, 898020), (2493, 798240), (2770, 718416), (3324, 598680), (3326, 598320), (4155, 478944), (4320, 460651), (4432, 449010), (4986, 399120), (4989, 398880), (5540, 359208), (6648, 299340), (6652, 299160), (7479, 266080), (8310, 239472), (8315, 239328), (8864, 224505), (9972, 199560), (9978, 199440), (11080, 179604), (12465, 159648), (13296, 149670), (13304, 149580), (14958, 133040), (14967, 132960), (16620, 119736), (16630, 119664), (19944, 99780), (19956, 99720), (22160, 89802), (24930, 79824), (24945, 79776), (26592, 74835), (26608, 74790), (29916, 66520), (29934, 66480), (33240, 59868), (33260, 59832), (37395, 53216), (39888, 49890), (39912, 49860), (44320, 44901)]