1285354080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^2$

素因数の和:438

約数の個数: 216

約数和(自身を含む): 4600329552

約数和(自身を除く): 3314975472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 197, 207, 230, 240, 276, 288, 345, 360, 368, 394, 414, 460, 480, 552, 591, 690, 720, 736, 788, 828, 920, 985, 1035, 1104, 1182, 1380, 1440, 1576, 1656, 1773, 1840, 1970, 2070, 2208, 2364, 2760, 2955, 3152, 3312, 3546, 3680, 3940, 4140, 4531, 4728, 5520, 5910, 6304, 6624, 7092, 7880, 8280, 8865, 9062, 9456, 11040, 11820, 13593, 14184, 15760, 16560, 17730, 18124, 18912, 22655, 23640, 27186, 28368, 31520, 33120, 35460, 36248, 38809, 40779, 45310, 47280, 54372, 56736, 67965, 70920, 72496, 77618, 81558, 90620, 94560, 108744, 116427, 135930, 141840, 144992, 155236, 163116, 181240, 194045, 203895, 217488, 232854, 271860, 283680, 310472, 326232, 349281, 362480, 388090, 407790, 434976, 465708, 543720, 582135, 620944, 652464, 698562, 724960, 776180, 815580, 892607, 931416, 1087440, 1164270, 1241888, 1304928, 1397124, 1552360, 1631160, 1746405, 1785214, 1862832, 2174880, 2328540, 2677821, 2794248, 3104720, 3262320, 3492810, 3570428, 3725664, 4463035, 4657080, 5355642, 5588496, 6209440, 6524640, 6985620, 7140856, 8033463, 8926070, 9314160, 10711284, 11176992, 13389105, 13971240, 14281712, 16066926, 17852140, 18628320, 21422568, 26778210, 27942480, 28563424, 32133852, 35704280, 40167315, 42845136, 53556420, 55884960, 64267704, 71408560, 80334630, 85690272, 107112840, 128535408, 142817120, 160669260, 214225680, 257070816, 321338520, 428451360, 642677040, 1285354080]

約数ペア:

[(1, 1285354080), (2, 642677040), (3, 428451360), (4, 321338520), (5, 257070816), (6, 214225680), (8, 160669260), (9, 142817120), (10, 128535408), (12, 107112840), (15, 85690272), (16, 80334630), (18, 71408560), (20, 64267704), (23, 55884960), (24, 53556420), (30, 42845136), (32, 40167315), (36, 35704280), (40, 32133852), (45, 28563424), (46, 27942480), (48, 26778210), (60, 21422568), (69, 18628320), (72, 17852140), (80, 16066926), (90, 14281712), (92, 13971240), (96, 13389105), (115, 11176992), (120, 10711284), (138, 9314160), (144, 8926070), (160, 8033463), (180, 7140856), (184, 6985620), (197, 6524640), (207, 6209440), (230, 5588496), (240, 5355642), (276, 4657080), (288, 4463035), (345, 3725664), (360, 3570428), (368, 3492810), (394, 3262320), (414, 3104720), (460, 2794248), (480, 2677821), (552, 2328540), (591, 2174880), (690, 1862832), (720, 1785214), (736, 1746405), (788, 1631160), (828, 1552360), (920, 1397124), (985, 1304928), (1035, 1241888), (1104, 1164270), (1182, 1087440), (1380, 931416), (1440, 892607), (1576, 815580), (1656, 776180), (1773, 724960), (1840, 698562), (1970, 652464), (2070, 620944), (2208, 582135), (2364, 543720), (2760, 465708), (2955, 434976), (3152, 407790), (3312, 388090), (3546, 362480), (3680, 349281), (3940, 326232), (4140, 310472), (4531, 283680), (4728, 271860), (5520, 232854), (5910, 217488), (6304, 203895), (6624, 194045), (7092, 181240), (7880, 163116), (8280, 155236), (8865, 144992), (9062, 141840), (9456, 135930), (11040, 116427), (11820, 108744), (13593, 94560), (14184, 90620), (15760, 81558), (16560, 77618), (17730, 72496), (18124, 70920), (18912, 67965), (22655, 56736), (23640, 54372), (27186, 47280), (28368, 45310), (31520, 40779), (33120, 38809), (35460, 36248)]