66931760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2543}}^1$

素因数の和:2610

約数の個数: 80

約数和(自身を含む): 181702656

約数和(自身を除く): 114770896

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, 2543, 2632, 3290, 3760, 5086, 5264, 6580, 10172, 12715, 13160, 17801, 20344, 25430, 26320, 35602, 40688, 50860, 71204, 89005, 101720, 119521, 142408, 178010, 203440, 239042, 284816, 356020, 478084, 597605, 712040, 836647, 956168, 1195210, 1424080, 1673294, 1912336, 2390420, 3346588, 4183235, 4780840, 6693176, 8366470, 9561680, 13386352, 16732940, 33465880, 66931760]

約数ペア:

[(1, 66931760), (2, 33465880), (4, 16732940), (5, 13386352), (7, 9561680), (8, 8366470), (10, 6693176), (14, 4780840), (16, 4183235), (20, 3346588), (28, 2390420), (35, 1912336), (40, 1673294), (47, 1424080), (56, 1195210), (70, 956168), (80, 836647), (94, 712040), (112, 597605), (140, 478084), (188, 356020), (235, 284816), (280, 239042), (329, 203440), (376, 178010), (470, 142408), (560, 119521), (658, 101720), (752, 89005), (940, 71204), (1316, 50860), (1645, 40688), (1880, 35602), (2543, 26320), (2632, 25430), (3290, 20344), (3760, 17801), (5086, 13160), (5264, 12715), (6580, 10172)]