420389760

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1069

約数の個数: 256

約数和(自身を含む): 1582387200

約数和(自身を除く): 1161997440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 560, 620, 640, 651, 672, 744, 840, 868, 896, 930, 960, 992, 1009, 1085, 1120, 1240, 1302, 1344, 1488, 1680, 1736, 1860, 1920, 1984, 2018, 2170, 2240, 2480, 2604, 2688, 2976, 3027, 3255, 3360, 3472, 3720, 3968, 4036, 4340, 4480, 4960, 5045, 5208, 5952, 6054, 6510, 6720, 6944, 7063, 7440, 8072, 8680, 9920, 10090, 10416, 11904, 12108, 13020, 13440, 13888, 14126, 14880, 15135, 16144, 17360, 19840, 20180, 20832, 21189, 24216, 26040, 27776, 28252, 29760, 30270, 31279, 32288, 34720, 35315, 40360, 41664, 42378, 48432, 52080, 56504, 59520, 60540, 62558, 64576, 69440, 70630, 80720, 83328, 84756, 93837, 96864, 104160, 105945, 113008, 121080, 125116, 129152, 138880, 141260, 156395, 161440, 169512, 187674, 193728, 208320, 211890, 218953, 226016, 242160, 250232, 282520, 312790, 322880, 339024, 375348, 387456, 416640, 423780, 437906, 452032, 469185, 484320, 500464, 565040, 625580, 645760, 656859, 678048, 750696, 847560, 875812, 904064, 938370, 968640, 1000928, 1094765, 1130080, 1251160, 1313718, 1356096, 1501392, 1695120, 1751624, 1876740, 1937280, 2001856, 2189530, 2260160, 2502320, 2627436, 2712192, 3002784, 3284295, 3390240, 3503248, 3753480, 4003712, 4379060, 4520320, 5004640, 5254872, 6005568, 6568590, 6780480, 7006496, 7506960, 8758120, 10009280, 10509744, 12011136, 13137180, 13560960, 14012992, 15013920, 17516240, 20018560, 21019488, 26274360, 28025984, 30027840, 35032480, 42038976, 52548720, 60055680, 70064960, 84077952, 105097440, 140129920, 210194880, 420389760]

約数ペア:

[(1, 420389760), (2, 210194880), (3, 140129920), (4, 105097440), (5, 84077952), (6, 70064960), (7, 60055680), (8, 52548720), (10, 42038976), (12, 35032480), (14, 30027840), (15, 28025984), (16, 26274360), (20, 21019488), (21, 20018560), (24, 17516240), (28, 15013920), (30, 14012992), (31, 13560960), (32, 13137180), (35, 12011136), (40, 10509744), (42, 10009280), (48, 8758120), (56, 7506960), (60, 7006496), (62, 6780480), (64, 6568590), (70, 6005568), (80, 5254872), (84, 5004640), (93, 4520320), (96, 4379060), (105, 4003712), (112, 3753480), (120, 3503248), (124, 3390240), (128, 3284295), (140, 3002784), (155, 2712192), (160, 2627436), (168, 2502320), (186, 2260160), (192, 2189530), (210, 2001856), (217, 1937280), (224, 1876740), (240, 1751624), (248, 1695120), (280, 1501392), (310, 1356096), (320, 1313718), (336, 1251160), (372, 1130080), (384, 1094765), (420, 1000928), (434, 968640), (448, 938370), (465, 904064), (480, 875812), (496, 847560), (560, 750696), (620, 678048), (640, 656859), (651, 645760), (672, 625580), (744, 565040), (840, 500464), (868, 484320), (896, 469185), (930, 452032), (960, 437906), (992, 423780), (1009, 416640), (1085, 387456), (1120, 375348), (1240, 339024), (1302, 322880), (1344, 312790), (1488, 282520), (1680, 250232), (1736, 242160), (1860, 226016), (1920, 218953), (1984, 211890), (2018, 208320), (2170, 193728), (2240, 187674), (2480, 169512), (2604, 161440), (2688, 156395), (2976, 141260), (3027, 138880), (3255, 129152), (3360, 125116), (3472, 121080), (3720, 113008), (3968, 105945), (4036, 104160), (4340, 96864), (4480, 93837), (4960, 84756), (5045, 83328), (5208, 80720), (5952, 70630), (6054, 69440), (6510, 64576), (6720, 62558), (6944, 60540), (7063, 59520), (7440, 56504), (8072, 52080), (8680, 48432), (9920, 42378), (10090, 41664), (10416, 40360), (11904, 35315), (12108, 34720), (13020, 32288), (13440, 31279), (13888, 30270), (14126, 29760), (14880, 28252), (15135, 27776), (16144, 26040), (17360, 24216), (19840, 21189), (20180, 20832)]