285408000

素因数分解:

$2^8\times 3^2\times 5^3\times {\mathrm{991}}^1$

素因数の和:1028

約数の個数: 216

約数和(自身を含む): 1028017536

約数和(自身を除く): 742609536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 128, 144, 150, 160, 180, 192, 200, 225, 240, 250, 256, 288, 300, 320, 360, 375, 384, 400, 450, 480, 500, 576, 600, 640, 720, 750, 768, 800, 900, 960, 991, 1000, 1125, 1152, 1200, 1280, 1440, 1500, 1600, 1800, 1920, 1982, 2000, 2250, 2304, 2400, 2880, 2973, 3000, 3200, 3600, 3840, 3964, 4000, 4500, 4800, 4955, 5760, 5946, 6000, 6400, 7200, 7928, 8000, 8919, 9000, 9600, 9910, 11520, 11892, 12000, 14400, 14865, 15856, 16000, 17838, 18000, 19200, 19820, 23784, 24000, 24775, 28800, 29730, 31712, 32000, 35676, 36000, 39640, 44595, 47568, 48000, 49550, 57600, 59460, 63424, 71352, 72000, 74325, 79280, 89190, 95136, 96000, 99100, 118920, 123875, 126848, 142704, 144000, 148650, 158560, 178380, 190272, 198200, 222975, 237840, 247750, 253696, 285408, 288000, 297300, 317120, 356760, 371625, 380544, 396400, 445950, 475680, 495500, 570816, 594600, 634240, 713520, 743250, 761088, 792800, 891900, 951360, 991000, 1114875, 1141632, 1189200, 1268480, 1427040, 1486500, 1585600, 1783800, 1902720, 1982000, 2229750, 2283264, 2378400, 2854080, 2973000, 3171200, 3567600, 3805440, 3964000, 4459500, 4756800, 5708160, 5946000, 6342400, 7135200, 7928000, 8919000, 9513600, 11416320, 11892000, 14270400, 15856000, 17838000, 19027200, 23784000, 28540800, 31712000, 35676000, 47568000, 57081600, 71352000, 95136000, 142704000, 285408000]

約数ペア:

[(1, 285408000), (2, 142704000), (3, 95136000), (4, 71352000), (5, 57081600), (6, 47568000), (8, 35676000), (9, 31712000), (10, 28540800), (12, 23784000), (15, 19027200), (16, 17838000), (18, 15856000), (20, 14270400), (24, 11892000), (25, 11416320), (30, 9513600), (32, 8919000), (36, 7928000), (40, 7135200), (45, 6342400), (48, 5946000), (50, 5708160), (60, 4756800), (64, 4459500), (72, 3964000), (75, 3805440), (80, 3567600), (90, 3171200), (96, 2973000), (100, 2854080), (120, 2378400), (125, 2283264), (128, 2229750), (144, 1982000), (150, 1902720), (160, 1783800), (180, 1585600), (192, 1486500), (200, 1427040), (225, 1268480), (240, 1189200), (250, 1141632), (256, 1114875), (288, 991000), (300, 951360), (320, 891900), (360, 792800), (375, 761088), (384, 743250), (400, 713520), (450, 634240), (480, 594600), (500, 570816), (576, 495500), (600, 475680), (640, 445950), (720, 396400), (750, 380544), (768, 371625), (800, 356760), (900, 317120), (960, 297300), (991, 288000), (1000, 285408), (1125, 253696), (1152, 247750), (1200, 237840), (1280, 222975), (1440, 198200), (1500, 190272), (1600, 178380), (1800, 158560), (1920, 148650), (1982, 144000), (2000, 142704), (2250, 126848), (2304, 123875), (2400, 118920), (2880, 99100), (2973, 96000), (3000, 95136), (3200, 89190), (3600, 79280), (3840, 74325), (3964, 72000), (4000, 71352), (4500, 63424), (4800, 59460), (4955, 57600), (5760, 49550), (5946, 48000), (6000, 47568), (6400, 44595), (7200, 39640), (7928, 36000), (8000, 35676), (8919, 32000), (9000, 31712), (9600, 29730), (9910, 28800), (11520, 24775), (11892, 24000), (12000, 23784), (14400, 19820), (14865, 19200), (15856, 18000), (16000, 17838)]