128564800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{883}}^1$

素因数の和:925

約数の個数: 168

約数和(自身を含む): 389794496

約数和(自身を除く): 261229696

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

約数ペア:

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