81491070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1327}}^1$

素因数の和:1449

約数の個数: 64

約数和(自身を含む): 206530560

約数和(自身を除く): 125039490

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 89, 115, 138, 178, 230, 267, 345, 445, 534, 690, 890, 1327, 1335, 2047, 2654, 2670, 3981, 4094, 6141, 6635, 7962, 10235, 12282, 13270, 19905, 20470, 30521, 30705, 39810, 61042, 61410, 91563, 118103, 152605, 183126, 236206, 305210, 354309, 457815, 590515, 708618, 915630, 1181030, 1771545, 2716369, 3543090, 5432738, 8149107, 13581845, 16298214, 27163690, 40745535, 81491070]

約数ペア:

[(1, 81491070), (2, 40745535), (3, 27163690), (5, 16298214), (6, 13581845), (10, 8149107), (15, 5432738), (23, 3543090), (30, 2716369), (46, 1771545), (69, 1181030), (89, 915630), (115, 708618), (138, 590515), (178, 457815), (230, 354309), (267, 305210), (345, 236206), (445, 183126), (534, 152605), (690, 118103), (890, 91563), (1327, 61410), (1335, 61042), (2047, 39810), (2654, 30705), (2670, 30521), (3981, 20470), (4094, 19905), (6141, 13270), (6635, 12282), (7962, 10235)]