81967480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3527}}^1$

素因数の和:3628

約数の個数: 64

約数和(自身を含む): 213373440

約数和(自身を除く): 131405960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2324, 2905, 3320, 3527, 4648, 5810, 7054, 11620, 14108, 17635, 23240, 24689, 28216, 35270, 49378, 70540, 98756, 123445, 141080, 197512, 246890, 292741, 493780, 585482, 987560, 1170964, 1463705, 2049187, 2341928, 2927410, 4098374, 5854820, 8196748, 10245935, 11709640, 16393496, 20491870, 40983740, 81967480]

約数ペア:

[(1, 81967480), (2, 40983740), (4, 20491870), (5, 16393496), (7, 11709640), (8, 10245935), (10, 8196748), (14, 5854820), (20, 4098374), (28, 2927410), (35, 2341928), (40, 2049187), (56, 1463705), (70, 1170964), (83, 987560), (140, 585482), (166, 493780), (280, 292741), (332, 246890), (415, 197512), (581, 141080), (664, 123445), (830, 98756), (1162, 70540), (1660, 49378), (2324, 35270), (2905, 28216), (3320, 24689), (3527, 23240), (4648, 17635), (5810, 14108), (7054, 11620)]