1285648000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{883}}^1$

素因数の和:932

約数の個数: 256

約数和(自身を含む): 3938538240

約数和(自身を除く): 2652890240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 125, 128, 130, 140, 160, 175, 182, 200, 208, 224, 250, 260, 280, 320, 325, 350, 364, 400, 416, 448, 455, 500, 520, 560, 640, 650, 700, 728, 800, 832, 875, 883, 896, 910, 1000, 1040, 1120, 1300, 1400, 1456, 1600, 1625, 1664, 1750, 1766, 1820, 2000, 2080, 2240, 2275, 2600, 2800, 2912, 3200, 3250, 3500, 3532, 3640, 4000, 4160, 4415, 4480, 4550, 5200, 5600, 5824, 6181, 6500, 7000, 7064, 7280, 8000, 8320, 8830, 9100, 10400, 11200, 11375, 11479, 11648, 12362, 13000, 14000, 14128, 14560, 16000, 17660, 18200, 20800, 22075, 22400, 22750, 22958, 24724, 26000, 28000, 28256, 29120, 30905, 35320, 36400, 41600, 44150, 45500, 45916, 49448, 52000, 56000, 56512, 57395, 58240, 61810, 70640, 72800, 80353, 88300, 91000, 91832, 98896, 104000, 110375, 112000, 113024, 114790, 123620, 141280, 145600, 154525, 160706, 176600, 182000, 183664, 197792, 208000, 220750, 229580, 247240, 282560, 286975, 291200, 309050, 321412, 353200, 364000, 367328, 395584, 401765, 441500, 459160, 494480, 565120, 573950, 618100, 642824, 706400, 728000, 734656, 772625, 791168, 803530, 883000, 918320, 988960, 1147900, 1236200, 1285648, 1412800, 1434875, 1456000, 1469312, 1545250, 1607060, 1766000, 1836640, 1977920, 2008825, 2295800, 2472400, 2571296, 2825600, 2869750, 3090500, 3214120, 3532000, 3673280, 3955840, 4017650, 4591600, 4944800, 5142592, 5739500, 6181000, 6428240, 7064000, 7346560, 8035300, 9183200, 9889600, 10044125, 10285184, 11479000, 12362000, 12856480, 14128000, 16070600, 18366400, 19779200, 20088250, 22958000, 24724000, 25712960, 32141200, 36732800, 40176500, 45916000, 49448000, 51425920, 64282400, 80353000, 91832000, 98896000, 128564800, 160706000, 183664000, 257129600, 321412000, 642824000, 1285648000]

約数ペア:

[(1, 1285648000), (2, 642824000), (4, 321412000), (5, 257129600), (7, 183664000), (8, 160706000), (10, 128564800), (13, 98896000), (14, 91832000), (16, 80353000), (20, 64282400), (25, 51425920), (26, 49448000), (28, 45916000), (32, 40176500), (35, 36732800), (40, 32141200), (50, 25712960), (52, 24724000), (56, 22958000), (64, 20088250), (65, 19779200), (70, 18366400), (80, 16070600), (91, 14128000), (100, 12856480), (104, 12362000), (112, 11479000), (125, 10285184), (128, 10044125), (130, 9889600), (140, 9183200), (160, 8035300), (175, 7346560), (182, 7064000), (200, 6428240), (208, 6181000), (224, 5739500), (250, 5142592), (260, 4944800), (280, 4591600), (320, 4017650), (325, 3955840), (350, 3673280), (364, 3532000), (400, 3214120), (416, 3090500), (448, 2869750), (455, 2825600), (500, 2571296), (520, 2472400), (560, 2295800), (640, 2008825), (650, 1977920), (700, 1836640), (728, 1766000), (800, 1607060), (832, 1545250), (875, 1469312), (883, 1456000), (896, 1434875), (910, 1412800), (1000, 1285648), (1040, 1236200), (1120, 1147900), (1300, 988960), (1400, 918320), (1456, 883000), (1600, 803530), (1625, 791168), (1664, 772625), (1750, 734656), (1766, 728000), (1820, 706400), (2000, 642824), (2080, 618100), (2240, 573950), (2275, 565120), (2600, 494480), (2800, 459160), (2912, 441500), (3200, 401765), (3250, 395584), (3500, 367328), (3532, 364000), (3640, 353200), (4000, 321412), (4160, 309050), (4415, 291200), (4480, 286975), (4550, 282560), (5200, 247240), (5600, 229580), (5824, 220750), (6181, 208000), (6500, 197792), (7000, 183664), (7064, 182000), (7280, 176600), (8000, 160706), (8320, 154525), (8830, 145600), (9100, 141280), (10400, 123620), (11200, 114790), (11375, 113024), (11479, 112000), (11648, 110375), (12362, 104000), (13000, 98896), (14000, 91832), (14128, 91000), (14560, 88300), (16000, 80353), (17660, 72800), (18200, 70640), (20800, 61810), (22075, 58240), (22400, 57395), (22750, 56512), (22958, 56000), (24724, 52000), (26000, 49448), (28000, 45916), (28256, 45500), (29120, 44150), (30905, 41600), (35320, 36400)]