257129600

素因数分解:

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

素因数の和:927

約数の個数: 192

約数和(自身を含む): 782658240

約数和(自身を除く): 525528640

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, 128, 130, 140, 160, 175, 182, 200, 208, 224, 260, 280, 320, 325, 350, 364, 400, 416, 448, 455, 520, 560, 640, 650, 700, 728, 800, 832, 883, 896, 910, 1040, 1120, 1300, 1400, 1456, 1600, 1664, 1766, 1820, 2080, 2240, 2275, 2600, 2800, 2912, 3200, 3532, 3640, 4160, 4415, 4480, 4550, 5200, 5600, 5824, 6181, 7064, 7280, 8320, 8830, 9100, 10400, 11200, 11479, 11648, 12362, 14128, 14560, 17660, 18200, 20800, 22075, 22400, 22958, 24724, 28256, 29120, 30905, 35320, 36400, 41600, 44150, 45916, 49448, 56512, 57395, 58240, 61810, 70640, 72800, 80353, 88300, 91832, 98896, 113024, 114790, 123620, 141280, 145600, 154525, 160706, 176600, 183664, 197792, 229580, 247240, 282560, 286975, 291200, 309050, 321412, 353200, 367328, 395584, 401765, 459160, 494480, 565120, 573950, 618100, 642824, 706400, 734656, 791168, 803530, 918320, 988960, 1147900, 1236200, 1285648, 1412800, 1469312, 1607060, 1836640, 1977920, 2008825, 2295800, 2472400, 2571296, 2825600, 3214120, 3673280, 3955840, 4017650, 4591600, 4944800, 5142592, 6428240, 7346560, 8035300, 9183200, 9889600, 10285184, 12856480, 16070600, 18366400, 19779200, 25712960, 32141200, 36732800, 51425920, 64282400, 128564800, 257129600]

約数ペア:

[(1, 257129600), (2, 128564800), (4, 64282400), (5, 51425920), (7, 36732800), (8, 32141200), (10, 25712960), (13, 19779200), (14, 18366400), (16, 16070600), (20, 12856480), (25, 10285184), (26, 9889600), (28, 9183200), (32, 8035300), (35, 7346560), (40, 6428240), (50, 5142592), (52, 4944800), (56, 4591600), (64, 4017650), (65, 3955840), (70, 3673280), (80, 3214120), (91, 2825600), (100, 2571296), (104, 2472400), (112, 2295800), (128, 2008825), (130, 1977920), (140, 1836640), (160, 1607060), (175, 1469312), (182, 1412800), (200, 1285648), (208, 1236200), (224, 1147900), (260, 988960), (280, 918320), (320, 803530), (325, 791168), (350, 734656), (364, 706400), (400, 642824), (416, 618100), (448, 573950), (455, 565120), (520, 494480), (560, 459160), (640, 401765), (650, 395584), (700, 367328), (728, 353200), (800, 321412), (832, 309050), (883, 291200), (896, 286975), (910, 282560), (1040, 247240), (1120, 229580), (1300, 197792), (1400, 183664), (1456, 176600), (1600, 160706), (1664, 154525), (1766, 145600), (1820, 141280), (2080, 123620), (2240, 114790), (2275, 113024), (2600, 98896), (2800, 91832), (2912, 88300), (3200, 80353), (3532, 72800), (3640, 70640), (4160, 61810), (4415, 58240), (4480, 57395), (4550, 56512), (5200, 49448), (5600, 45916), (5824, 44150), (6181, 41600), (7064, 36400), (7280, 35320), (8320, 30905), (8830, 29120), (9100, 28256), (10400, 24724), (11200, 22958), (11479, 22400), (11648, 22075), (12362, 20800), (14128, 18200), (14560, 17660)]