20901761600

素因数分解:

$2^6\times 5^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{3547}}^1$

素因数の和:3725

約数の個数: 168

約数和(自身を含む): 53638947840

約数和(自身を除く): 32737186240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 127, 145, 160, 200, 232, 254, 290, 320, 400, 464, 508, 580, 635, 725, 800, 928, 1016, 1160, 1270, 1450, 1600, 1856, 2032, 2320, 2540, 2900, 3175, 3547, 3683, 4064, 4640, 5080, 5800, 6350, 7094, 7366, 8128, 9280, 10160, 11600, 12700, 14188, 14732, 17735, 18415, 20320, 23200, 25400, 28376, 29464, 35470, 36830, 40640, 46400, 50800, 56752, 58928, 70940, 73660, 88675, 92075, 101600, 102863, 113504, 117856, 141880, 147320, 177350, 184150, 203200, 205726, 227008, 235712, 283760, 294640, 354700, 368300, 411452, 450469, 514315, 567520, 589280, 709400, 736600, 822904, 900938, 1028630, 1135040, 1178560, 1418800, 1473200, 1645808, 1801876, 2057260, 2252345, 2571575, 2837600, 2946400, 3291616, 3603752, 4114520, 4504690, 5143150, 5675200, 5892800, 6583232, 7207504, 8229040, 9009380, 10286300, 11261725, 13063601, 14415008, 16458080, 18018760, 20572600, 22523450, 26127202, 28830016, 32916160, 36037520, 41145200, 45046900, 52254404, 65318005, 72075040, 82290400, 90093800, 104508808, 130636010, 144150080, 164580800, 180187600, 209017616, 261272020, 326590025, 360375200, 418035232, 522544040, 653180050, 720750400, 836070464, 1045088080, 1306360100, 2090176160, 2612720200, 4180352320, 5225440400, 10450880800, 20901761600]

約数ペア:

[(1, 20901761600), (2, 10450880800), (4, 5225440400), (5, 4180352320), (8, 2612720200), (10, 2090176160), (16, 1306360100), (20, 1045088080), (25, 836070464), (29, 720750400), (32, 653180050), (40, 522544040), (50, 418035232), (58, 360375200), (64, 326590025), (80, 261272020), (100, 209017616), (116, 180187600), (127, 164580800), (145, 144150080), (160, 130636010), (200, 104508808), (232, 90093800), (254, 82290400), (290, 72075040), (320, 65318005), (400, 52254404), (464, 45046900), (508, 41145200), (580, 36037520), (635, 32916160), (725, 28830016), (800, 26127202), (928, 22523450), (1016, 20572600), (1160, 18018760), (1270, 16458080), (1450, 14415008), (1600, 13063601), (1856, 11261725), (2032, 10286300), (2320, 9009380), (2540, 8229040), (2900, 7207504), (3175, 6583232), (3547, 5892800), (3683, 5675200), (4064, 5143150), (4640, 4504690), (5080, 4114520), (5800, 3603752), (6350, 3291616), (7094, 2946400), (7366, 2837600), (8128, 2571575), (9280, 2252345), (10160, 2057260), (11600, 1801876), (12700, 1645808), (14188, 1473200), (14732, 1418800), (17735, 1178560), (18415, 1135040), (20320, 1028630), (23200, 900938), (25400, 822904), (28376, 736600), (29464, 709400), (35470, 589280), (36830, 567520), (40640, 514315), (46400, 450469), (50800, 411452), (56752, 368300), (58928, 354700), (70940, 294640), (73660, 283760), (88675, 235712), (92075, 227008), (101600, 205726), (102863, 203200), (113504, 184150), (117856, 177350), (141880, 147320)]