81170320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13177}}^1$

素因数の和:13208

約数の個数: 80

約数和(自身を含む): 235306368

約数和(自身を除く): 154136048

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 13177, 26354, 52708, 65885, 92239, 105416, 131770, 144947, 184478, 210832, 263540, 289894, 368956, 461195, 527080, 579788, 724735, 737912, 922390, 1014629, 1054160, 1159576, 1449470, 1475824, 1844780, 2029258, 2319152, 2898940, 3689560, 4058516, 5073145, 5797880, 7379120, 8117032, 10146290, 11595760, 16234064, 20292580, 40585160, 81170320]

約数ペア:

[(1, 81170320), (2, 40585160), (4, 20292580), (5, 16234064), (7, 11595760), (8, 10146290), (10, 8117032), (11, 7379120), (14, 5797880), (16, 5073145), (20, 4058516), (22, 3689560), (28, 2898940), (35, 2319152), (40, 2029258), (44, 1844780), (55, 1475824), (56, 1449470), (70, 1159576), (77, 1054160), (80, 1014629), (88, 922390), (110, 737912), (112, 724735), (140, 579788), (154, 527080), (176, 461195), (220, 368956), (280, 289894), (308, 263540), (385, 210832), (440, 184478), (560, 144947), (616, 131770), (770, 105416), (880, 92239), (1232, 65885), (1540, 52708), (3080, 26354), (6160, 13177)]