70721840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2687}}^1$

素因数の和:2754

約数の個数: 80

約数和(自身を含む): 191987712

約数和(自身を除く): 121265872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 2687, 3290, 3760, 5264, 5374, 6580, 10748, 13160, 13435, 18809, 21496, 26320, 26870, 37618, 42992, 53740, 75236, 94045, 107480, 126289, 150472, 188090, 214960, 252578, 300944, 376180, 505156, 631445, 752360, 884023, 1010312, 1262890, 1504720, 1768046, 2020624, 2525780, 3536092, 4420115, 5051560, 7072184, 8840230, 10103120, 14144368, 17680460, 35360920, 70721840]

約数ペア:

[(1, 70721840), (2, 35360920), (4, 17680460), (5, 14144368), (7, 10103120), (8, 8840230), (10, 7072184), (14, 5051560), (16, 4420115), (20, 3536092), (28, 2525780), (35, 2020624), (40, 1768046), (47, 1504720), (56, 1262890), (70, 1010312), (80, 884023), (94, 752360), (112, 631445), (140, 505156), (188, 376180), (235, 300944), (280, 252578), (329, 214960), (376, 188090), (470, 150472), (560, 126289), (658, 107480), (752, 94045), (940, 75236), (1316, 53740), (1645, 42992), (1880, 37618), (2632, 26870), (2687, 26320), (3290, 21496), (3760, 18809), (5264, 13435), (5374, 13160), (6580, 10748)]