12805520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1759}}^1$

素因数の和:1792

約数の個数: 80

約数和(自身を含む): 36664320

約数和(自身を除く): 23858800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1759, 1820, 3518, 3640, 7036, 7280, 8795, 12313, 14072, 17590, 22867, 24626, 28144, 35180, 45734, 49252, 61565, 70360, 91468, 98504, 114335, 123130, 140720, 160069, 182936, 197008, 228670, 246260, 320138, 365872, 457340, 492520, 640276, 800345, 914680, 985040, 1280552, 1600690, 1829360, 2561104, 3201380, 6402760, 12805520]

約数ペア:

[(1, 12805520), (2, 6402760), (4, 3201380), (5, 2561104), (7, 1829360), (8, 1600690), (10, 1280552), (13, 985040), (14, 914680), (16, 800345), (20, 640276), (26, 492520), (28, 457340), (35, 365872), (40, 320138), (52, 246260), (56, 228670), (65, 197008), (70, 182936), (80, 160069), (91, 140720), (104, 123130), (112, 114335), (130, 98504), (140, 91468), (182, 70360), (208, 61565), (260, 49252), (280, 45734), (364, 35180), (455, 28144), (520, 24626), (560, 22867), (728, 17590), (910, 14072), (1040, 12313), (1456, 8795), (1759, 7280), (1820, 7036), (3518, 3640)]