215865160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17929}}^1$

素因数の和:17990

約数の個数: 64

約数和(自身を含む): 568022400

約数和(自身を除く): 352157240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 17929, 35858, 71716, 89645, 125503, 143432, 179290, 251006, 358580, 502012, 627515, 717160, 770947, 1004024, 1255030, 1541894, 2510060, 3083788, 3854735, 5020120, 5396629, 6167576, 7709470, 10793258, 15418940, 21586516, 26983145, 30837880, 43173032, 53966290, 107932580, 215865160]

約数ペア:

[(1, 215865160), (2, 107932580), (4, 53966290), (5, 43173032), (7, 30837880), (8, 26983145), (10, 21586516), (14, 15418940), (20, 10793258), (28, 7709470), (35, 6167576), (40, 5396629), (43, 5020120), (56, 3854735), (70, 3083788), (86, 2510060), (140, 1541894), (172, 1255030), (215, 1004024), (280, 770947), (301, 717160), (344, 627515), (430, 502012), (602, 358580), (860, 251006), (1204, 179290), (1505, 143432), (1720, 125503), (2408, 89645), (3010, 71716), (6020, 35858), (12040, 17929)]