64282400

素因数分解:

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

素因数の和:923

約数の個数: 144

約数和(自身を含む): 193362624

約数和(自身を除く): 129080224

約数列:

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

約数ペア:

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