399617280

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:434

約数の個数: 288

約数和(自身を含む): 1467755520

約数和(自身を除く): 1068138240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 256, 270, 279, 288, 310, 320, 360, 372, 373, 384, 432, 465, 480, 496, 540, 558, 576, 620, 640, 720, 744, 746, 768, 837, 864, 930, 960, 992, 1080, 1116, 1119, 1152, 1240, 1280, 1395, 1440, 1488, 1492, 1674, 1728, 1860, 1865, 1920, 1984, 2160, 2232, 2238, 2304, 2480, 2790, 2880, 2976, 2984, 3348, 3357, 3456, 3720, 3730, 3840, 3968, 4185, 4320, 4464, 4476, 4960, 5580, 5595, 5760, 5952, 5968, 6696, 6714, 6912, 7440, 7460, 7936, 8370, 8640, 8928, 8952, 9920, 10071, 11160, 11190, 11520, 11563, 11904, 11936, 13392, 13428, 14880, 14920, 16740, 16785, 17280, 17856, 17904, 19840, 20142, 22320, 22380, 23126, 23808, 23872, 26784, 26856, 29760, 29840, 33480, 33570, 34560, 34689, 35712, 35808, 39680, 40284, 44640, 44760, 46252, 47744, 50355, 53568, 53712, 57815, 59520, 59680, 66960, 67140, 69378, 71424, 71616, 80568, 89280, 89520, 92504, 95488, 100710, 104067, 107136, 107424, 115630, 119040, 119360, 133920, 134280, 138756, 143232, 161136, 173445, 178560, 179040, 185008, 201420, 208134, 214272, 214848, 231260, 238720, 267840, 268560, 277512, 286464, 312201, 322272, 346890, 357120, 358080, 370016, 402840, 416268, 429696, 462520, 477440, 520335, 535680, 537120, 555024, 624402, 644544, 693780, 716160, 740032, 805680, 832536, 859392, 925040, 1040670, 1071360, 1074240, 1110048, 1248804, 1289088, 1387560, 1432320, 1480064, 1561005, 1611360, 1665072, 1850080, 2081340, 2148480, 2220096, 2497608, 2578176, 2775120, 2960128, 3122010, 3222720, 3330144, 3700160, 4162680, 4296960, 4440192, 4995216, 5550240, 6244020, 6445440, 6660288, 7400320, 8325360, 8880384, 9990432, 11100480, 12488040, 12890880, 13320576, 14800640, 16650720, 19980864, 22200960, 24976080, 26641152, 33301440, 39961728, 44401920, 49952160, 66602880, 79923456, 99904320, 133205760, 199808640, 399617280]

約数ペア:

[(1, 399617280), (2, 199808640), (3, 133205760), (4, 99904320), (5, 79923456), (6, 66602880), (8, 49952160), (9, 44401920), (10, 39961728), (12, 33301440), (15, 26641152), (16, 24976080), (18, 22200960), (20, 19980864), (24, 16650720), (27, 14800640), (30, 13320576), (31, 12890880), (32, 12488040), (36, 11100480), (40, 9990432), (45, 8880384), (48, 8325360), (54, 7400320), (60, 6660288), (62, 6445440), (64, 6244020), (72, 5550240), (80, 4995216), (90, 4440192), (93, 4296960), (96, 4162680), (108, 3700160), (120, 3330144), (124, 3222720), (128, 3122010), (135, 2960128), (144, 2775120), (155, 2578176), (160, 2497608), (180, 2220096), (186, 2148480), (192, 2081340), (216, 1850080), (240, 1665072), (248, 1611360), (256, 1561005), (270, 1480064), (279, 1432320), (288, 1387560), (310, 1289088), (320, 1248804), (360, 1110048), (372, 1074240), (373, 1071360), (384, 1040670), (432, 925040), (465, 859392), (480, 832536), (496, 805680), (540, 740032), (558, 716160), (576, 693780), (620, 644544), (640, 624402), (720, 555024), (744, 537120), (746, 535680), (768, 520335), (837, 477440), (864, 462520), (930, 429696), (960, 416268), (992, 402840), (1080, 370016), (1116, 358080), (1119, 357120), (1152, 346890), (1240, 322272), (1280, 312201), (1395, 286464), (1440, 277512), (1488, 268560), (1492, 267840), (1674, 238720), (1728, 231260), (1860, 214848), (1865, 214272), (1920, 208134), (1984, 201420), (2160, 185008), (2232, 179040), (2238, 178560), (2304, 173445), (2480, 161136), (2790, 143232), (2880, 138756), (2976, 134280), (2984, 133920), (3348, 119360), (3357, 119040), (3456, 115630), (3720, 107424), (3730, 107136), (3840, 104067), (3968, 100710), (4185, 95488), (4320, 92504), (4464, 89520), (4476, 89280), (4960, 80568), (5580, 71616), (5595, 71424), (5760, 69378), (5952, 67140), (5968, 66960), (6696, 59680), (6714, 59520), (6912, 57815), (7440, 53712), (7460, 53568), (7936, 50355), (8370, 47744), (8640, 46252), (8928, 44760), (8952, 44640), (9920, 40284), (10071, 39680), (11160, 35808), (11190, 35712), (11520, 34689), (11563, 34560), (11904, 33570), (11936, 33480), (13392, 29840), (13428, 29760), (14880, 26856), (14920, 26784), (16740, 23872), (16785, 23808), (17280, 23126), (17856, 22380), (17904, 22320), (19840, 20142)]