21427200

素因数分解:

$2^{10}\times 3^3\times 5^2\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 264

約数和(自身を含む): 81224960

約数和(自身を除く): 59797760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 31, 32, 36, 40, 45, 48, 50, 54, 60, 62, 64, 72, 75, 80, 90, 93, 96, 100, 108, 120, 124, 128, 135, 144, 150, 155, 160, 180, 186, 192, 200, 216, 225, 240, 248, 256, 270, 279, 288, 300, 310, 320, 360, 372, 384, 400, 432, 450, 465, 480, 496, 512, 540, 558, 576, 600, 620, 640, 675, 720, 744, 768, 775, 800, 837, 864, 900, 930, 960, 992, 1024, 1080, 1116, 1152, 1200, 1240, 1280, 1350, 1395, 1440, 1488, 1536, 1550, 1600, 1674, 1728, 1800, 1860, 1920, 1984, 2160, 2232, 2304, 2325, 2400, 2480, 2560, 2700, 2790, 2880, 2976, 3072, 3100, 3200, 3348, 3456, 3600, 3720, 3840, 3968, 4185, 4320, 4464, 4608, 4650, 4800, 4960, 5120, 5400, 5580, 5760, 5952, 6200, 6400, 6696, 6912, 6975, 7200, 7440, 7680, 7936, 8370, 8640, 8928, 9216, 9300, 9600, 9920, 10800, 11160, 11520, 11904, 12400, 12800, 13392, 13824, 13950, 14400, 14880, 15360, 15872, 16740, 17280, 17856, 18600, 19200, 19840, 20925, 21600, 22320, 23040, 23808, 24800, 25600, 26784, 27648, 27900, 28800, 29760, 31744, 33480, 34560, 35712, 37200, 38400, 39680, 41850, 43200, 44640, 46080, 47616, 49600, 53568, 55800, 57600, 59520, 66960, 69120, 71424, 74400, 76800, 79360, 83700, 86400, 89280, 95232, 99200, 107136, 111600, 115200, 119040, 133920, 138240, 142848, 148800, 158720, 167400, 172800, 178560, 198400, 214272, 223200, 230400, 238080, 267840, 285696, 297600, 334800, 345600, 357120, 396800, 428544, 446400, 476160, 535680, 595200, 669600, 691200, 714240, 793600, 857088, 892800, 1071360, 1190400, 1339200, 1428480, 1785600, 2142720, 2380800, 2678400, 3571200, 4285440, 5356800, 7142400, 10713600, 21427200]

約数ペア:

[(1, 21427200), (2, 10713600), (3, 7142400), (4, 5356800), (5, 4285440), (6, 3571200), (8, 2678400), (9, 2380800), (10, 2142720), (12, 1785600), (15, 1428480), (16, 1339200), (18, 1190400), (20, 1071360), (24, 892800), (25, 857088), (27, 793600), (30, 714240), (31, 691200), (32, 669600), (36, 595200), (40, 535680), (45, 476160), (48, 446400), (50, 428544), (54, 396800), (60, 357120), (62, 345600), (64, 334800), (72, 297600), (75, 285696), (80, 267840), (90, 238080), (93, 230400), (96, 223200), (100, 214272), (108, 198400), (120, 178560), (124, 172800), (128, 167400), (135, 158720), (144, 148800), (150, 142848), (155, 138240), (160, 133920), (180, 119040), (186, 115200), (192, 111600), (200, 107136), (216, 99200), (225, 95232), (240, 89280), (248, 86400), (256, 83700), (270, 79360), (279, 76800), (288, 74400), (300, 71424), (310, 69120), (320, 66960), (360, 59520), (372, 57600), (384, 55800), (400, 53568), (432, 49600), (450, 47616), (465, 46080), (480, 44640), (496, 43200), (512, 41850), (540, 39680), (558, 38400), (576, 37200), (600, 35712), (620, 34560), (640, 33480), (675, 31744), (720, 29760), (744, 28800), (768, 27900), (775, 27648), (800, 26784), (837, 25600), (864, 24800), (900, 23808), (930, 23040), (960, 22320), (992, 21600), (1024, 20925), (1080, 19840), (1116, 19200), (1152, 18600), (1200, 17856), (1240, 17280), (1280, 16740), (1350, 15872), (1395, 15360), (1440, 14880), (1488, 14400), (1536, 13950), (1550, 13824), (1600, 13392), (1674, 12800), (1728, 12400), (1800, 11904), (1860, 11520), (1920, 11160), (1984, 10800), (2160, 9920), (2232, 9600), (2304, 9300), (2325, 9216), (2400, 8928), (2480, 8640), (2560, 8370), (2700, 7936), (2790, 7680), (2880, 7440), (2976, 7200), (3072, 6975), (3100, 6912), (3200, 6696), (3348, 6400), (3456, 6200), (3600, 5952), (3720, 5760), (3840, 5580), (3968, 5400), (4185, 5120), (4320, 4960), (4464, 4800), (4608, 4650)]