81012864

素因数分解:

$2^7\times 3^1\times {\mathrm{113}}^1\times {\mathrm{1867}}^1$

素因数の和:1997

約数の個数: 64

約数和(自身を含む): 217211040

約数和(自身を除く): 136198176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 113, 128, 192, 226, 339, 384, 452, 678, 904, 1356, 1808, 1867, 2712, 3616, 3734, 5424, 5601, 7232, 7468, 10848, 11202, 14464, 14936, 21696, 22404, 29872, 43392, 44808, 59744, 89616, 119488, 179232, 210971, 238976, 358464, 421942, 632913, 716928, 843884, 1265826, 1687768, 2531652, 3375536, 5063304, 6751072, 10126608, 13502144, 20253216, 27004288, 40506432, 81012864]

約数ペア:

[(1, 81012864), (2, 40506432), (3, 27004288), (4, 20253216), (6, 13502144), (8, 10126608), (12, 6751072), (16, 5063304), (24, 3375536), (32, 2531652), (48, 1687768), (64, 1265826), (96, 843884), (113, 716928), (128, 632913), (192, 421942), (226, 358464), (339, 238976), (384, 210971), (452, 179232), (678, 119488), (904, 89616), (1356, 59744), (1808, 44808), (1867, 43392), (2712, 29872), (3616, 22404), (3734, 21696), (5424, 14936), (5601, 14464), (7232, 11202), (7468, 10848)]