1953978880

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 240

約数和(自身を含む): 5610451176

約数和(自身を除く): 3656472296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 128, 140, 148, 160, 185, 196, 224, 245, 256, 259, 280, 296, 320, 370, 392, 421, 448, 490, 512, 518, 560, 592, 640, 740, 784, 842, 896, 980, 1036, 1120, 1184, 1280, 1295, 1480, 1568, 1684, 1792, 1813, 1960, 2072, 2105, 2240, 2368, 2560, 2590, 2947, 2960, 3136, 3368, 3584, 3626, 3920, 4144, 4210, 4480, 4736, 5180, 5894, 5920, 6272, 6736, 7252, 7840, 8288, 8420, 8960, 9065, 9472, 10360, 11788, 11840, 12544, 13472, 14504, 14735, 15577, 15680, 16576, 16840, 17920, 18130, 18944, 20629, 20720, 23576, 23680, 25088, 26944, 29008, 29470, 31154, 31360, 33152, 33680, 36260, 41258, 41440, 47152, 47360, 53888, 58016, 58940, 62308, 62720, 66304, 67360, 72520, 77885, 82516, 82880, 94304, 94720, 103145, 107776, 109039, 116032, 117880, 124616, 125440, 132608, 134720, 145040, 155770, 165032, 165760, 188608, 206290, 215552, 218078, 232064, 235760, 249232, 269440, 290080, 311540, 330064, 331520, 377216, 412580, 436156, 464128, 471520, 498464, 538880, 545195, 580160, 623080, 660128, 663040, 754432, 763273, 825160, 872312, 928256, 943040, 996928, 1077760, 1090390, 1160320, 1246160, 1320256, 1508864, 1526546, 1650320, 1744624, 1886080, 1993856, 2180780, 2320640, 2492320, 2640512, 3053092, 3300640, 3489248, 3772160, 3816365, 3987712, 4361560, 4641280, 4984640, 5281024, 6106184, 6601280, 6978496, 7544320, 7632730, 7975424, 8723120, 9969280, 10562048, 12212368, 13202560, 13956992, 15265460, 17446240, 19938560, 24424736, 26405120, 27913984, 30530920, 34892480, 39877120, 48849472, 52810240, 55827968, 61061840, 69784960, 97698944, 122123680, 139569920, 195397888, 244247360, 279139840, 390795776, 488494720, 976989440, 1953978880]

約数ペア:

[(1, 1953978880), (2, 976989440), (4, 488494720), (5, 390795776), (7, 279139840), (8, 244247360), (10, 195397888), (14, 139569920), (16, 122123680), (20, 97698944), (28, 69784960), (32, 61061840), (35, 55827968), (37, 52810240), (40, 48849472), (49, 39877120), (56, 34892480), (64, 30530920), (70, 27913984), (74, 26405120), (80, 24424736), (98, 19938560), (112, 17446240), (128, 15265460), (140, 13956992), (148, 13202560), (160, 12212368), (185, 10562048), (196, 9969280), (224, 8723120), (245, 7975424), (256, 7632730), (259, 7544320), (280, 6978496), (296, 6601280), (320, 6106184), (370, 5281024), (392, 4984640), (421, 4641280), (448, 4361560), (490, 3987712), (512, 3816365), (518, 3772160), (560, 3489248), (592, 3300640), (640, 3053092), (740, 2640512), (784, 2492320), (842, 2320640), (896, 2180780), (980, 1993856), (1036, 1886080), (1120, 1744624), (1184, 1650320), (1280, 1526546), (1295, 1508864), (1480, 1320256), (1568, 1246160), (1684, 1160320), (1792, 1090390), (1813, 1077760), (1960, 996928), (2072, 943040), (2105, 928256), (2240, 872312), (2368, 825160), (2560, 763273), (2590, 754432), (2947, 663040), (2960, 660128), (3136, 623080), (3368, 580160), (3584, 545195), (3626, 538880), (3920, 498464), (4144, 471520), (4210, 464128), (4480, 436156), (4736, 412580), (5180, 377216), (5894, 331520), (5920, 330064), (6272, 311540), (6736, 290080), (7252, 269440), (7840, 249232), (8288, 235760), (8420, 232064), (8960, 218078), (9065, 215552), (9472, 206290), (10360, 188608), (11788, 165760), (11840, 165032), (12544, 155770), (13472, 145040), (14504, 134720), (14735, 132608), (15577, 125440), (15680, 124616), (16576, 117880), (16840, 116032), (17920, 109039), (18130, 107776), (18944, 103145), (20629, 94720), (20720, 94304), (23576, 82880), (23680, 82516), (25088, 77885), (26944, 72520), (29008, 67360), (29470, 66304), (31154, 62720), (31360, 62308), (33152, 58940), (33680, 58016), (36260, 53888), (41258, 47360), (41440, 47152)]