255297456

素因数分解:

$2^4\times 3^2\times {\mathrm{991}}^1\times {\mathrm{1789}}^1$

素因数の和:2794

約数の個数: 60

約数和(自身を含む): 715599040

約数和(自身を除く): 460301584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 991, 1789, 1982, 2973, 3578, 3964, 5367, 5946, 7156, 7928, 8919, 10734, 11892, 14312, 15856, 16101, 17838, 21468, 23784, 28624, 32202, 35676, 42936, 47568, 64404, 71352, 85872, 128808, 142704, 257616, 1772899, 3545798, 5318697, 7091596, 10637394, 14183192, 15956091, 21274788, 28366384, 31912182, 42549576, 63824364, 85099152, 127648728, 255297456]

約数ペア:

[(1, 255297456), (2, 127648728), (3, 85099152), (4, 63824364), (6, 42549576), (8, 31912182), (9, 28366384), (12, 21274788), (16, 15956091), (18, 14183192), (24, 10637394), (36, 7091596), (48, 5318697), (72, 3545798), (144, 1772899), (991, 257616), (1789, 142704), (1982, 128808), (2973, 85872), (3578, 71352), (3964, 64404), (5367, 47568), (5946, 42936), (7156, 35676), (7928, 32202), (8919, 28624), (10734, 23784), (11892, 21468), (14312, 17838), (15856, 16101)]