1281409920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:614

約数の個数: 384

約数和(自身を含む): 5149759680

約数和(自身を除く): 3868349760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 122, 126, 128, 140, 144, 160, 168, 180, 183, 192, 210, 224, 240, 244, 252, 280, 288, 305, 315, 320, 336, 360, 366, 384, 420, 427, 448, 480, 488, 504, 521, 549, 560, 576, 610, 630, 640, 672, 720, 732, 840, 854, 896, 915, 960, 976, 1008, 1042, 1098, 1120, 1152, 1220, 1260, 1281, 1344, 1440, 1464, 1563, 1680, 1708, 1830, 1920, 1952, 2016, 2084, 2135, 2196, 2240, 2440, 2520, 2562, 2605, 2688, 2745, 2880, 2928, 3126, 3360, 3416, 3647, 3660, 3843, 3904, 4032, 4168, 4270, 4392, 4480, 4689, 4880, 5040, 5124, 5210, 5490, 5760, 5856, 6252, 6405, 6720, 6832, 7294, 7320, 7686, 7808, 7815, 8064, 8336, 8540, 8784, 9378, 9760, 10080, 10248, 10420, 10941, 10980, 11712, 12504, 12810, 13440, 13664, 14588, 14640, 15372, 15630, 16672, 17080, 17568, 18235, 18756, 19215, 19520, 20160, 20496, 20840, 21882, 21960, 23424, 23445, 25008, 25620, 27328, 29176, 29280, 30744, 31260, 31781, 32823, 33344, 34160, 35136, 36470, 37512, 38430, 39040, 40320, 40992, 41680, 43764, 43920, 46890, 50016, 51240, 54656, 54705, 58352, 58560, 61488, 62520, 63562, 65646, 66688, 68320, 70272, 72940, 75024, 76860, 81984, 83360, 87528, 87840, 93780, 95343, 100032, 102480, 109410, 116704, 117120, 122976, 125040, 127124, 131292, 136640, 145880, 150048, 153720, 158905, 163968, 164115, 166720, 175056, 175680, 187560, 190686, 200064, 204960, 218820, 222467, 233408, 245952, 250080, 254248, 262584, 273280, 286029, 291760, 300096, 307440, 317810, 328230, 333440, 350112, 351360, 375120, 381372, 409920, 437640, 444934, 466816, 476715, 491904, 500160, 508496, 525168, 572058, 583520, 600192, 614880, 635620, 656460, 667401, 700224, 750240, 762744, 819840, 875280, 889868, 953430, 1000320, 1016992, 1050336, 1112335, 1144116, 1167040, 1229760, 1271240, 1312920, 1334802, 1400448, 1430145, 1500480, 1525488, 1750560, 1779736, 1906860, 2002203, 2033984, 2100672, 2224670, 2288232, 2334080, 2459520, 2542480, 2625840, 2669604, 2860290, 3000960, 3050976, 3337005, 3501120, 3559472, 3813720, 4004406, 4067968, 4201344, 4449340, 4576464, 5084960, 5251680, 5339208, 5720580, 6101952, 6674010, 7002240, 7118944, 7627440, 8008812, 8898680, 9152928, 10011015, 10169920, 10503360, 10678416, 11441160, 12203904, 13348020, 14237888, 15254880, 16017624, 17797360, 18305856, 20022030, 20339840, 21006720, 21356832, 22882320, 26696040, 28475776, 30509760, 32035248, 35594720, 36611712, 40044060, 42713664, 45764640, 53392080, 61019520, 64070496, 71189440, 80088120, 85427328, 91529280, 106784160, 128140992, 142378880, 160176240, 183058560, 213568320, 256281984, 320352480, 427136640, 640704960, 1281409920]

約数ペア:

[(1, 1281409920), (2, 640704960), (3, 427136640), (4, 320352480), (5, 256281984), (6, 213568320), (7, 183058560), (8, 160176240), (9, 142378880), (10, 128140992), (12, 106784160), (14, 91529280), (15, 85427328), (16, 80088120), (18, 71189440), (20, 64070496), (21, 61019520), (24, 53392080), (28, 45764640), (30, 42713664), (32, 40044060), (35, 36611712), (36, 35594720), (40, 32035248), (42, 30509760), (45, 28475776), (48, 26696040), (56, 22882320), (60, 21356832), (61, 21006720), (63, 20339840), (64, 20022030), (70, 18305856), (72, 17797360), (80, 16017624), (84, 15254880), (90, 14237888), (96, 13348020), (105, 12203904), (112, 11441160), (120, 10678416), (122, 10503360), (126, 10169920), (128, 10011015), (140, 9152928), (144, 8898680), (160, 8008812), (168, 7627440), (180, 7118944), (183, 7002240), (192, 6674010), (210, 6101952), (224, 5720580), (240, 5339208), (244, 5251680), (252, 5084960), (280, 4576464), (288, 4449340), (305, 4201344), (315, 4067968), (320, 4004406), (336, 3813720), (360, 3559472), (366, 3501120), (384, 3337005), (420, 3050976), (427, 3000960), (448, 2860290), (480, 2669604), (488, 2625840), (504, 2542480), (521, 2459520), (549, 2334080), (560, 2288232), (576, 2224670), (610, 2100672), (630, 2033984), (640, 2002203), (672, 1906860), (720, 1779736), (732, 1750560), (840, 1525488), (854, 1500480), (896, 1430145), (915, 1400448), (960, 1334802), (976, 1312920), (1008, 1271240), (1042, 1229760), (1098, 1167040), (1120, 1144116), (1152, 1112335), (1220, 1050336), (1260, 1016992), (1281, 1000320), (1344, 953430), (1440, 889868), (1464, 875280), (1563, 819840), (1680, 762744), (1708, 750240), (1830, 700224), (1920, 667401), (1952, 656460), (2016, 635620), (2084, 614880), (2135, 600192), (2196, 583520), (2240, 572058), (2440, 525168), (2520, 508496), (2562, 500160), (2605, 491904), (2688, 476715), (2745, 466816), (2880, 444934), (2928, 437640), (3126, 409920), (3360, 381372), (3416, 375120), (3647, 351360), (3660, 350112), (3843, 333440), (3904, 328230), (4032, 317810), (4168, 307440), (4270, 300096), (4392, 291760), (4480, 286029), (4689, 273280), (4880, 262584), (5040, 254248), (5124, 250080), (5210, 245952), (5490, 233408), (5760, 222467), (5856, 218820), (6252, 204960), (6405, 200064), (6720, 190686), (6832, 187560), (7294, 175680), (7320, 175056), (7686, 166720), (7808, 164115), (7815, 163968), (8064, 158905), (8336, 153720), (8540, 150048), (8784, 145880), (9378, 136640), (9760, 131292), (10080, 127124), (10248, 125040), (10420, 122976), (10941, 117120), (10980, 116704), (11712, 109410), (12504, 102480), (12810, 100032), (13440, 95343), (13664, 93780), (14588, 87840), (14640, 87528), (15372, 83360), (15630, 81984), (16672, 76860), (17080, 75024), (17568, 72940), (18235, 70272), (18756, 68320), (19215, 66688), (19520, 65646), (20160, 63562), (20496, 62520), (20840, 61488), (21882, 58560), (21960, 58352), (23424, 54705), (23445, 54656), (25008, 51240), (25620, 50016), (27328, 46890), (29176, 43920), (29280, 43764), (30744, 41680), (31260, 40992), (31781, 40320), (32823, 39040), (33344, 38430), (34160, 37512), (35136, 36470)]