61384120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1039}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 158745600

約数和(自身を除く): 97361480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1039, 1055, 1477, 1688, 2078, 2110, 2954, 4156, 4220, 5195, 5908, 7273, 7385, 8312, 8440, 10390, 11816, 14546, 14770, 20780, 29092, 29540, 36365, 41560, 58184, 59080, 72730, 145460, 219229, 290920, 438458, 876916, 1096145, 1534603, 1753832, 2192290, 3069206, 4384580, 6138412, 7673015, 8769160, 12276824, 15346030, 30692060, 61384120]

約数ペア:

[(1, 61384120), (2, 30692060), (4, 15346030), (5, 12276824), (7, 8769160), (8, 7673015), (10, 6138412), (14, 4384580), (20, 3069206), (28, 2192290), (35, 1753832), (40, 1534603), (56, 1096145), (70, 876916), (140, 438458), (211, 290920), (280, 219229), (422, 145460), (844, 72730), (1039, 59080), (1055, 58184), (1477, 41560), (1688, 36365), (2078, 29540), (2110, 29092), (2954, 20780), (4156, 14770), (4220, 14546), (5195, 11816), (5908, 10390), (7273, 8440), (7385, 8312)]