81706240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{829}}^1$

素因数の和:868

約数の個数: 144

約数和(自身を含む): 244298880

約数和(自身を除く): 162592640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 829, 880, 896, 1120, 1232, 1280, 1408, 1540, 1658, 1760, 1792, 2240, 2464, 2816, 3080, 3316, 3520, 4145, 4480, 4928, 5803, 6160, 6632, 7040, 8290, 8960, 9119, 9856, 11606, 12320, 13264, 14080, 16580, 18238, 19712, 23212, 24640, 26528, 29015, 33160, 36476, 45595, 46424, 49280, 53056, 58030, 63833, 66320, 72952, 91190, 92848, 98560, 106112, 116060, 127666, 132640, 145904, 182380, 185696, 212224, 232120, 255332, 265280, 291808, 319165, 364760, 371392, 464240, 510664, 530560, 583616, 638330, 729520, 742784, 928480, 1021328, 1061120, 1167232, 1276660, 1459040, 1485568, 1856960, 2042656, 2334464, 2553320, 2918080, 3713920, 4085312, 5106640, 5836160, 7427840, 8170624, 10213280, 11672320, 16341248, 20426560, 40853120, 81706240]

約数ペア:

[(1, 81706240), (2, 40853120), (4, 20426560), (5, 16341248), (7, 11672320), (8, 10213280), (10, 8170624), (11, 7427840), (14, 5836160), (16, 5106640), (20, 4085312), (22, 3713920), (28, 2918080), (32, 2553320), (35, 2334464), (40, 2042656), (44, 1856960), (55, 1485568), (56, 1459040), (64, 1276660), (70, 1167232), (77, 1061120), (80, 1021328), (88, 928480), (110, 742784), (112, 729520), (128, 638330), (140, 583616), (154, 530560), (160, 510664), (176, 464240), (220, 371392), (224, 364760), (256, 319165), (280, 291808), (308, 265280), (320, 255332), (352, 232120), (385, 212224), (440, 185696), (448, 182380), (560, 145904), (616, 132640), (640, 127666), (704, 116060), (770, 106112), (829, 98560), (880, 92848), (896, 91190), (1120, 72952), (1232, 66320), (1280, 63833), (1408, 58030), (1540, 53056), (1658, 49280), (1760, 46424), (1792, 45595), (2240, 36476), (2464, 33160), (2816, 29015), (3080, 26528), (3316, 24640), (3520, 23212), (4145, 19712), (4480, 18238), (4928, 16580), (5803, 14080), (6160, 13264), (6632, 12320), (7040, 11606), (8290, 9856), (8960, 9119)]