400006080

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:784

約数の個数: 224

約数和(自身を含む): 1434266880

約数和(自身を除く): 1034260800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 67, 72, 80, 90, 96, 108, 120, 134, 135, 144, 160, 180, 192, 201, 216, 240, 268, 270, 288, 320, 335, 360, 402, 432, 480, 536, 540, 576, 603, 670, 691, 720, 804, 864, 960, 1005, 1072, 1080, 1206, 1340, 1382, 1440, 1608, 1728, 1809, 2010, 2073, 2144, 2160, 2412, 2680, 2764, 2880, 3015, 3216, 3455, 3618, 4020, 4146, 4288, 4320, 4824, 5360, 5528, 6030, 6219, 6432, 6910, 7236, 8040, 8292, 8640, 9045, 9648, 10365, 10720, 11056, 12060, 12438, 12864, 13820, 14472, 16080, 16584, 18090, 18657, 19296, 20730, 21440, 22112, 24120, 24876, 27640, 28944, 31095, 32160, 33168, 36180, 37314, 38592, 41460, 44224, 46297, 48240, 49752, 55280, 57888, 62190, 64320, 66336, 72360, 74628, 82920, 92594, 93285, 96480, 99504, 110560, 115776, 124380, 132672, 138891, 144720, 149256, 165840, 185188, 186570, 192960, 199008, 221120, 231485, 248760, 277782, 289440, 298512, 331680, 370376, 373140, 398016, 416673, 462970, 497520, 555564, 578880, 597024, 663360, 694455, 740752, 746280, 833346, 925940, 995040, 1111128, 1194048, 1250019, 1388910, 1481504, 1492560, 1666692, 1851880, 1990080, 2083365, 2222256, 2500038, 2777820, 2963008, 2985120, 3333384, 3703760, 4166730, 4444512, 5000076, 5555640, 5970240, 6250095, 6666768, 7407520, 8333460, 8889024, 10000152, 11111280, 12500190, 13333536, 14815040, 16666920, 20000304, 22222560, 25000380, 26667072, 33333840, 40000608, 44445120, 50000760, 66667680, 80001216, 100001520, 133335360, 200003040, 400006080]

約数ペア:

[(1, 400006080), (2, 200003040), (3, 133335360), (4, 100001520), (5, 80001216), (6, 66667680), (8, 50000760), (9, 44445120), (10, 40000608), (12, 33333840), (15, 26667072), (16, 25000380), (18, 22222560), (20, 20000304), (24, 16666920), (27, 14815040), (30, 13333536), (32, 12500190), (36, 11111280), (40, 10000152), (45, 8889024), (48, 8333460), (54, 7407520), (60, 6666768), (64, 6250095), (67, 5970240), (72, 5555640), (80, 5000076), (90, 4444512), (96, 4166730), (108, 3703760), (120, 3333384), (134, 2985120), (135, 2963008), (144, 2777820), (160, 2500038), (180, 2222256), (192, 2083365), (201, 1990080), (216, 1851880), (240, 1666692), (268, 1492560), (270, 1481504), (288, 1388910), (320, 1250019), (335, 1194048), (360, 1111128), (402, 995040), (432, 925940), (480, 833346), (536, 746280), (540, 740752), (576, 694455), (603, 663360), (670, 597024), (691, 578880), (720, 555564), (804, 497520), (864, 462970), (960, 416673), (1005, 398016), (1072, 373140), (1080, 370376), (1206, 331680), (1340, 298512), (1382, 289440), (1440, 277782), (1608, 248760), (1728, 231485), (1809, 221120), (2010, 199008), (2073, 192960), (2144, 186570), (2160, 185188), (2412, 165840), (2680, 149256), (2764, 144720), (2880, 138891), (3015, 132672), (3216, 124380), (3455, 115776), (3618, 110560), (4020, 99504), (4146, 96480), (4288, 93285), (4320, 92594), (4824, 82920), (5360, 74628), (5528, 72360), (6030, 66336), (6219, 64320), (6432, 62190), (6910, 57888), (7236, 55280), (8040, 49752), (8292, 48240), (8640, 46297), (9045, 44224), (9648, 41460), (10365, 38592), (10720, 37314), (11056, 36180), (12060, 33168), (12438, 32160), (12864, 31095), (13820, 28944), (14472, 27640), (16080, 24876), (16584, 24120), (18090, 22112), (18657, 21440), (19296, 20730)]