640086720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 448

約数和(自身を含む): 2654539776

約数和(自身を除く): 2014453056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 30, 32, 34, 35, 39, 40, 42, 48, 51, 52, 56, 60, 64, 65, 68, 70, 78, 80, 84, 85, 91, 96, 102, 104, 105, 112, 119, 120, 130, 136, 140, 156, 160, 168, 170, 182, 192, 195, 204, 208, 210, 221, 224, 238, 240, 255, 260, 272, 273, 280, 312, 320, 336, 340, 357, 364, 390, 408, 416, 420, 431, 442, 448, 455, 476, 480, 510, 520, 544, 546, 560, 595, 624, 663, 672, 680, 714, 728, 780, 816, 832, 840, 862, 884, 910, 952, 960, 1020, 1040, 1088, 1092, 1105, 1120, 1190, 1248, 1293, 1326, 1344, 1360, 1365, 1428, 1456, 1547, 1560, 1632, 1680, 1724, 1768, 1785, 1820, 1904, 2040, 2080, 2155, 2184, 2210, 2240, 2380, 2496, 2586, 2652, 2720, 2730, 2856, 2912, 3017, 3094, 3120, 3264, 3315, 3360, 3448, 3536, 3570, 3640, 3808, 4080, 4160, 4310, 4368, 4420, 4641, 4760, 5172, 5304, 5440, 5460, 5603, 5712, 5824, 6034, 6188, 6240, 6465, 6630, 6720, 6896, 7072, 7140, 7280, 7327, 7616, 7735, 8160, 8620, 8736, 8840, 9051, 9282, 9520, 10344, 10608, 10920, 11206, 11424, 12068, 12376, 12480, 12930, 13260, 13792, 14144, 14280, 14560, 14654, 15085, 15470, 16320, 16809, 17240, 17472, 17680, 18102, 18564, 19040, 20688, 21216, 21840, 21981, 22412, 22848, 23205, 24136, 24752, 25860, 26520, 27584, 28015, 28560, 29120, 29308, 30170, 30940, 33618, 34480, 35360, 36204, 36635, 37128, 38080, 39221, 41376, 42432, 43680, 43962, 44824, 45255, 46410, 48272, 49504, 51289, 51720, 53040, 56030, 57120, 58616, 60340, 61880, 67236, 68960, 70720, 72408, 73270, 74256, 78442, 82752, 84045, 87360, 87924, 89648, 90510, 92820, 95251, 96544, 99008, 102578, 103440, 106080, 109905, 112060, 114240, 117232, 117663, 120680, 123760, 134472, 137920, 144816, 146540, 148512, 153867, 156884, 168090, 175848, 179296, 181020, 185640, 190502, 193088, 196105, 205156, 206880, 212160, 219810, 224120, 234464, 235326, 241360, 247520, 256445, 268944, 285753, 289632, 293080, 297024, 307734, 313768, 336180, 351696, 358592, 362040, 371280, 381004, 392210, 410312, 413760, 439620, 448240, 468928, 470652, 476255, 482720, 495040, 512890, 537888, 571506, 579264, 586160, 588315, 615468, 627536, 666757, 672360, 703392, 724080, 742560, 762008, 769335, 784420, 820624, 879240, 896480, 941304, 952510, 965440, 1025780, 1075776, 1143012, 1172320, 1176630, 1230936, 1255072, 1333514, 1344720, 1406784, 1428765, 1448160, 1485120, 1524016, 1538670, 1568840, 1641248, 1758480, 1792960, 1882608, 1905020, 2000271, 2051560, 2286024, 2344640, 2353260, 2461872, 2510144, 2667028, 2689440, 2857530, 2896320, 3048032, 3077340, 3137680, 3282496, 3333785, 3516960, 3765216, 3810040, 4000542, 4103120, 4572048, 4706520, 4923744, 5334056, 5378880, 5715060, 6096064, 6154680, 6275360, 6667570, 7033920, 7530432, 7620080, 8001084, 8206240, 9144096, 9413040, 9847488, 10001355, 10668112, 11430120, 12309360, 12550720, 13335140, 15240160, 16002168, 16412480, 18288192, 18826080, 20002710, 21336224, 22860240, 24618720, 26670280, 30480320, 32004336, 37652160, 40005420, 42672448, 45720480, 49237440, 53340560, 64008672, 80010840, 91440960, 106681120, 128017344, 160021680, 213362240, 320043360, 640086720]

約数ペア:

[(1, 640086720), (2, 320043360), (3, 213362240), (4, 160021680), (5, 128017344), (6, 106681120), (7, 91440960), (8, 80010840), (10, 64008672), (12, 53340560), (13, 49237440), (14, 45720480), (15, 42672448), (16, 40005420), (17, 37652160), (20, 32004336), (21, 30480320), (24, 26670280), (26, 24618720), (28, 22860240), (30, 21336224), (32, 20002710), (34, 18826080), (35, 18288192), (39, 16412480), (40, 16002168), (42, 15240160), (48, 13335140), (51, 12550720), (52, 12309360), (56, 11430120), (60, 10668112), (64, 10001355), (65, 9847488), (68, 9413040), (70, 9144096), (78, 8206240), (80, 8001084), (84, 7620080), (85, 7530432), (91, 7033920), (96, 6667570), (102, 6275360), (104, 6154680), (105, 6096064), (112, 5715060), (119, 5378880), (120, 5334056), (130, 4923744), (136, 4706520), (140, 4572048), (156, 4103120), (160, 4000542), (168, 3810040), (170, 3765216), (182, 3516960), (192, 3333785), (195, 3282496), (204, 3137680), (208, 3077340), (210, 3048032), (221, 2896320), (224, 2857530), (238, 2689440), (240, 2667028), (255, 2510144), (260, 2461872), (272, 2353260), (273, 2344640), (280, 2286024), (312, 2051560), (320, 2000271), (336, 1905020), (340, 1882608), (357, 1792960), (364, 1758480), (390, 1641248), (408, 1568840), (416, 1538670), (420, 1524016), (431, 1485120), (442, 1448160), (448, 1428765), (455, 1406784), (476, 1344720), (480, 1333514), (510, 1255072), (520, 1230936), (544, 1176630), (546, 1172320), (560, 1143012), (595, 1075776), (624, 1025780), (663, 965440), (672, 952510), (680, 941304), (714, 896480), (728, 879240), (780, 820624), (816, 784420), (832, 769335), (840, 762008), (862, 742560), (884, 724080), (910, 703392), (952, 672360), (960, 666757), (1020, 627536), (1040, 615468), (1088, 588315), (1092, 586160), (1105, 579264), (1120, 571506), (1190, 537888), (1248, 512890), (1293, 495040), (1326, 482720), (1344, 476255), (1360, 470652), (1365, 468928), (1428, 448240), (1456, 439620), (1547, 413760), (1560, 410312), (1632, 392210), (1680, 381004), (1724, 371280), (1768, 362040), (1785, 358592), (1820, 351696), (1904, 336180), (2040, 313768), (2080, 307734), (2155, 297024), (2184, 293080), (2210, 289632), (2240, 285753), (2380, 268944), (2496, 256445), (2586, 247520), (2652, 241360), (2720, 235326), (2730, 234464), (2856, 224120), (2912, 219810), (3017, 212160), (3094, 206880), (3120, 205156), (3264, 196105), (3315, 193088), (3360, 190502), (3448, 185640), (3536, 181020), (3570, 179296), (3640, 175848), (3808, 168090), (4080, 156884), (4160, 153867), (4310, 148512), (4368, 146540), (4420, 144816), (4641, 137920), (4760, 134472), (5172, 123760), (5304, 120680), (5440, 117663), (5460, 117232), (5603, 114240), (5712, 112060), (5824, 109905), (6034, 106080), (6188, 103440), (6240, 102578), (6465, 99008), (6630, 96544), (6720, 95251), (6896, 92820), (7072, 90510), (7140, 89648), (7280, 87924), (7327, 87360), (7616, 84045), (7735, 82752), (8160, 78442), (8620, 74256), (8736, 73270), (8840, 72408), (9051, 70720), (9282, 68960), (9520, 67236), (10344, 61880), (10608, 60340), (10920, 58616), (11206, 57120), (11424, 56030), (12068, 53040), (12376, 51720), (12480, 51289), (12930, 49504), (13260, 48272), (13792, 46410), (14144, 45255), (14280, 44824), (14560, 43962), (14654, 43680), (15085, 42432), (15470, 41376), (16320, 39221), (16809, 38080), (17240, 37128), (17472, 36635), (17680, 36204), (18102, 35360), (18564, 34480), (19040, 33618), (20688, 30940), (21216, 30170), (21840, 29308), (21981, 29120), (22412, 28560), (22848, 28015), (23205, 27584), (24136, 26520), (24752, 25860)]