490447680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^2$

素因数の和:281

約数の個数: 168

約数和(自身を含む): 1608136992

約数和(自身を除く): 1117689312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 109, 120, 129, 160, 172, 192, 215, 218, 240, 258, 320, 327, 344, 430, 436, 480, 516, 545, 645, 654, 688, 860, 872, 960, 1032, 1090, 1290, 1308, 1376, 1635, 1720, 1744, 2064, 2180, 2580, 2616, 2752, 3270, 3440, 3488, 4128, 4360, 4687, 5160, 5232, 6540, 6880, 6976, 8256, 8720, 9374, 10320, 10464, 11881, 13080, 13760, 14061, 17440, 18748, 20640, 20928, 23435, 23762, 26160, 28122, 34880, 35643, 37496, 41280, 46870, 47524, 52320, 56244, 59405, 70305, 71286, 74992, 93740, 95048, 104640, 112488, 118810, 140610, 142572, 149984, 178215, 187480, 190096, 224976, 237620, 281220, 285144, 299968, 356430, 374960, 380192, 449952, 475240, 510883, 562440, 570288, 712860, 749920, 760384, 899904, 950480, 1021766, 1124880, 1140576, 1425720, 1499840, 1532649, 1900960, 2043532, 2249760, 2281152, 2554415, 2851440, 3065298, 3801920, 4087064, 4499520, 5108830, 5702880, 6130596, 7663245, 8174128, 10217660, 11405760, 12261192, 15326490, 16348256, 20435320, 24522384, 30652980, 32696512, 40870640, 49044768, 61305960, 81741280, 98089536, 122611920, 163482560, 245223840, 490447680]

約数ペア:

[(1, 490447680), (2, 245223840), (3, 163482560), (4, 122611920), (5, 98089536), (6, 81741280), (8, 61305960), (10, 49044768), (12, 40870640), (15, 32696512), (16, 30652980), (20, 24522384), (24, 20435320), (30, 16348256), (32, 15326490), (40, 12261192), (43, 11405760), (48, 10217660), (60, 8174128), (64, 7663245), (80, 6130596), (86, 5702880), (96, 5108830), (109, 4499520), (120, 4087064), (129, 3801920), (160, 3065298), (172, 2851440), (192, 2554415), (215, 2281152), (218, 2249760), (240, 2043532), (258, 1900960), (320, 1532649), (327, 1499840), (344, 1425720), (430, 1140576), (436, 1124880), (480, 1021766), (516, 950480), (545, 899904), (645, 760384), (654, 749920), (688, 712860), (860, 570288), (872, 562440), (960, 510883), (1032, 475240), (1090, 449952), (1290, 380192), (1308, 374960), (1376, 356430), (1635, 299968), (1720, 285144), (1744, 281220), (2064, 237620), (2180, 224976), (2580, 190096), (2616, 187480), (2752, 178215), (3270, 149984), (3440, 142572), (3488, 140610), (4128, 118810), (4360, 112488), (4687, 104640), (5160, 95048), (5232, 93740), (6540, 74992), (6880, 71286), (6976, 70305), (8256, 59405), (8720, 56244), (9374, 52320), (10320, 47524), (10464, 46870), (11881, 41280), (13080, 37496), (13760, 35643), (14061, 34880), (17440, 28122), (18748, 26160), (20640, 23762), (20928, 23435)]