1020172800

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:919

約数の個数: 240

約数和(自身を含む): 3482848512

約数和(自身を除く): 2462675712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 64, 75, 80, 93, 96, 100, 120, 124, 128, 150, 155, 160, 186, 192, 200, 240, 248, 256, 300, 310, 320, 372, 384, 400, 465, 480, 496, 512, 600, 620, 640, 744, 768, 775, 800, 857, 930, 960, 992, 1200, 1240, 1280, 1488, 1536, 1550, 1600, 1714, 1860, 1920, 1984, 2325, 2400, 2480, 2560, 2571, 2976, 3100, 3200, 3428, 3720, 3840, 3968, 4285, 4650, 4800, 4960, 5142, 5952, 6200, 6400, 6856, 7440, 7680, 7936, 8570, 9300, 9600, 9920, 10284, 11904, 12400, 12800, 12855, 13712, 14880, 15872, 17140, 18600, 19200, 19840, 20568, 21425, 23808, 24800, 25710, 26567, 27424, 29760, 34280, 37200, 38400, 39680, 41136, 42850, 47616, 49600, 51420, 53134, 54848, 59520, 64275, 68560, 74400, 79360, 79701, 82272, 85700, 99200, 102840, 106268, 109696, 119040, 128550, 132835, 137120, 148800, 159402, 164544, 171400, 198400, 205680, 212536, 219392, 238080, 257100, 265670, 274240, 297600, 318804, 329088, 342800, 396800, 398505, 411360, 425072, 438784, 514200, 531340, 548480, 595200, 637608, 658176, 664175, 685600, 797010, 822720, 850144, 1028400, 1062680, 1096960, 1190400, 1275216, 1316352, 1328350, 1371200, 1594020, 1645440, 1700288, 1992525, 2056800, 2125360, 2193920, 2550432, 2656700, 2742400, 3188040, 3290880, 3400576, 3985050, 4113600, 4250720, 5100864, 5313400, 5484800, 6376080, 6581760, 6801152, 7970100, 8227200, 8501440, 10201728, 10626800, 10969600, 12752160, 13602304, 15940200, 16454400, 17002880, 20403456, 21253600, 25504320, 31880400, 32908800, 34005760, 40806912, 42507200, 51008640, 63760800, 68011520, 85014400, 102017280, 127521600, 170028800, 204034560, 255043200, 340057600, 510086400, 1020172800]

約数ペア:

[(1, 1020172800), (2, 510086400), (3, 340057600), (4, 255043200), (5, 204034560), (6, 170028800), (8, 127521600), (10, 102017280), (12, 85014400), (15, 68011520), (16, 63760800), (20, 51008640), (24, 42507200), (25, 40806912), (30, 34005760), (31, 32908800), (32, 31880400), (40, 25504320), (48, 21253600), (50, 20403456), (60, 17002880), (62, 16454400), (64, 15940200), (75, 13602304), (80, 12752160), (93, 10969600), (96, 10626800), (100, 10201728), (120, 8501440), (124, 8227200), (128, 7970100), (150, 6801152), (155, 6581760), (160, 6376080), (186, 5484800), (192, 5313400), (200, 5100864), (240, 4250720), (248, 4113600), (256, 3985050), (300, 3400576), (310, 3290880), (320, 3188040), (372, 2742400), (384, 2656700), (400, 2550432), (465, 2193920), (480, 2125360), (496, 2056800), (512, 1992525), (600, 1700288), (620, 1645440), (640, 1594020), (744, 1371200), (768, 1328350), (775, 1316352), (800, 1275216), (857, 1190400), (930, 1096960), (960, 1062680), (992, 1028400), (1200, 850144), (1240, 822720), (1280, 797010), (1488, 685600), (1536, 664175), (1550, 658176), (1600, 637608), (1714, 595200), (1860, 548480), (1920, 531340), (1984, 514200), (2325, 438784), (2400, 425072), (2480, 411360), (2560, 398505), (2571, 396800), (2976, 342800), (3100, 329088), (3200, 318804), (3428, 297600), (3720, 274240), (3840, 265670), (3968, 257100), (4285, 238080), (4650, 219392), (4800, 212536), (4960, 205680), (5142, 198400), (5952, 171400), (6200, 164544), (6400, 159402), (6856, 148800), (7440, 137120), (7680, 132835), (7936, 128550), (8570, 119040), (9300, 109696), (9600, 106268), (9920, 102840), (10284, 99200), (11904, 85700), (12400, 82272), (12800, 79701), (12855, 79360), (13712, 74400), (14880, 68560), (15872, 64275), (17140, 59520), (18600, 54848), (19200, 53134), (19840, 51420), (20568, 49600), (21425, 47616), (23808, 42850), (24800, 41136), (25710, 39680), (26567, 38400), (27424, 37200), (29760, 34280)]