640846080

素因数分解:

$2^8\times 3^4\times 5^1\times 7^1\times {\mathrm{883}}^1$

素因数の和:923

約数の個数: 360

約数和(自身を含む): 2623612992

約数和(自身を除く): 1982766912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 768, 810, 840, 864, 883, 896, 945, 960, 1008, 1080, 1120, 1134, 1152, 1260, 1280, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1766, 1792, 1890, 1920, 2016, 2160, 2240, 2268, 2304, 2520, 2592, 2649, 2688, 2835, 2880, 3024, 3240, 3360, 3456, 3532, 3780, 3840, 4032, 4320, 4415, 4480, 4536, 5040, 5184, 5298, 5376, 5670, 5760, 6048, 6181, 6480, 6720, 6912, 7064, 7560, 7947, 8064, 8640, 8830, 8960, 9072, 10080, 10368, 10596, 11340, 11520, 12096, 12362, 12960, 13245, 13440, 14128, 15120, 15894, 16128, 17280, 17660, 18144, 18543, 20160, 20736, 21192, 22680, 23841, 24192, 24724, 25920, 26490, 26880, 28256, 30240, 30905, 31788, 34560, 35320, 36288, 37086, 39735, 40320, 42384, 45360, 47682, 48384, 49448, 51840, 52980, 55629, 56512, 60480, 61810, 63576, 70640, 71523, 72576, 74172, 79470, 80640, 84768, 90720, 92715, 95364, 98896, 103680, 105960, 111258, 113024, 119205, 120960, 123620, 127152, 141280, 143046, 145152, 148344, 158940, 166887, 169536, 181440, 185430, 190728, 197792, 211920, 222516, 226048, 238410, 241920, 247240, 254304, 278145, 282560, 286092, 296688, 317880, 333774, 339072, 357615, 362880, 370860, 381456, 395584, 423840, 445032, 476820, 494480, 500661, 508608, 556290, 565120, 572184, 593376, 635760, 667548, 678144, 715230, 725760, 741720, 762912, 791168, 834435, 847680, 890064, 953640, 988960, 1001322, 1017216, 1112580, 1130240, 1144368, 1186752, 1271520, 1335096, 1430460, 1483440, 1525824, 1582336, 1668870, 1695360, 1780128, 1907280, 1977920, 2002644, 2034432, 2225160, 2288736, 2373504, 2503305, 2543040, 2670192, 2860920, 2966880, 3051648, 3337740, 3390720, 3560256, 3814560, 3955840, 4005288, 4450320, 4577472, 4747008, 5006610, 5086080, 5340384, 5721840, 5933760, 6103296, 6675480, 7120512, 7629120, 7911680, 8010576, 8900640, 9154944, 10013220, 10172160, 10680768, 11443680, 11867520, 13350960, 14241024, 15258240, 16021152, 17801280, 18309888, 20026440, 21361536, 22887360, 23735040, 26701920, 30516480, 32042304, 35602560, 40052880, 42723072, 45774720, 53403840, 64084608, 71205120, 80105760, 91549440, 106807680, 128169216, 160211520, 213615360, 320423040, 640846080]

約数ペア:

[(1, 640846080), (2, 320423040), (3, 213615360), (4, 160211520), (5, 128169216), (6, 106807680), (7, 91549440), (8, 80105760), (9, 71205120), (10, 64084608), (12, 53403840), (14, 45774720), (15, 42723072), (16, 40052880), (18, 35602560), (20, 32042304), (21, 30516480), (24, 26701920), (27, 23735040), (28, 22887360), (30, 21361536), (32, 20026440), (35, 18309888), (36, 17801280), (40, 16021152), (42, 15258240), (45, 14241024), (48, 13350960), (54, 11867520), (56, 11443680), (60, 10680768), (63, 10172160), (64, 10013220), (70, 9154944), (72, 8900640), (80, 8010576), (81, 7911680), (84, 7629120), (90, 7120512), (96, 6675480), (105, 6103296), (108, 5933760), (112, 5721840), (120, 5340384), (126, 5086080), (128, 5006610), (135, 4747008), (140, 4577472), (144, 4450320), (160, 4005288), (162, 3955840), (168, 3814560), (180, 3560256), (189, 3390720), (192, 3337740), (210, 3051648), (216, 2966880), (224, 2860920), (240, 2670192), (252, 2543040), (256, 2503305), (270, 2373504), (280, 2288736), (288, 2225160), (315, 2034432), (320, 2002644), (324, 1977920), (336, 1907280), (360, 1780128), (378, 1695360), (384, 1668870), (405, 1582336), (420, 1525824), (432, 1483440), (448, 1430460), (480, 1335096), (504, 1271520), (540, 1186752), (560, 1144368), (567, 1130240), (576, 1112580), (630, 1017216), (640, 1001322), (648, 988960), (672, 953640), (720, 890064), (756, 847680), (768, 834435), (810, 791168), (840, 762912), (864, 741720), (883, 725760), (896, 715230), (945, 678144), (960, 667548), (1008, 635760), (1080, 593376), (1120, 572184), (1134, 565120), (1152, 556290), (1260, 508608), (1280, 500661), (1296, 494480), (1344, 476820), (1440, 445032), (1512, 423840), (1620, 395584), (1680, 381456), (1728, 370860), (1766, 362880), (1792, 357615), (1890, 339072), (1920, 333774), (2016, 317880), (2160, 296688), (2240, 286092), (2268, 282560), (2304, 278145), (2520, 254304), (2592, 247240), (2649, 241920), (2688, 238410), (2835, 226048), (2880, 222516), (3024, 211920), (3240, 197792), (3360, 190728), (3456, 185430), (3532, 181440), (3780, 169536), (3840, 166887), (4032, 158940), (4320, 148344), (4415, 145152), (4480, 143046), (4536, 141280), (5040, 127152), (5184, 123620), (5298, 120960), (5376, 119205), (5670, 113024), (5760, 111258), (6048, 105960), (6181, 103680), (6480, 98896), (6720, 95364), (6912, 92715), (7064, 90720), (7560, 84768), (7947, 80640), (8064, 79470), (8640, 74172), (8830, 72576), (8960, 71523), (9072, 70640), (10080, 63576), (10368, 61810), (10596, 60480), (11340, 56512), (11520, 55629), (12096, 52980), (12362, 51840), (12960, 49448), (13245, 48384), (13440, 47682), (14128, 45360), (15120, 42384), (15894, 40320), (16128, 39735), (17280, 37086), (17660, 36288), (18144, 35320), (18543, 34560), (20160, 31788), (20736, 30905), (21192, 30240), (22680, 28256), (23841, 26880), (24192, 26490), (24724, 25920)]