81733120

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{4561}}^1$

素因数の和:4591

約数の個数: 80

約数和(自身を含む): 224012448

約数和(自身を除く): 142279328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 4561, 8960, 9122, 17920, 18244, 22805, 31927, 36488, 45610, 63854, 72976, 91220, 127708, 145952, 159635, 182440, 255416, 291904, 319270, 364880, 510832, 583808, 638540, 729760, 1021664, 1167616, 1277080, 1459520, 2043328, 2335232, 2554160, 2919040, 4086656, 5108320, 5838080, 8173312, 10216640, 11676160, 16346624, 20433280, 40866560, 81733120]

約数ペア:

[(1, 81733120), (2, 40866560), (4, 20433280), (5, 16346624), (7, 11676160), (8, 10216640), (10, 8173312), (14, 5838080), (16, 5108320), (20, 4086656), (28, 2919040), (32, 2554160), (35, 2335232), (40, 2043328), (56, 1459520), (64, 1277080), (70, 1167616), (80, 1021664), (112, 729760), (128, 638540), (140, 583808), (160, 510832), (224, 364880), (256, 319270), (280, 291904), (320, 255416), (448, 182440), (512, 159635), (560, 145952), (640, 127708), (896, 91220), (1120, 72976), (1280, 63854), (1792, 45610), (2240, 36488), (2560, 31927), (3584, 22805), (4480, 18244), (4561, 17920), (8960, 9122)]