81396070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 174182400

約数和(自身を除く): 92786330

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 79, 82, 158, 205, 287, 359, 395, 410, 553, 574, 718, 790, 1106, 1435, 1795, 2513, 2765, 2870, 3239, 3590, 5026, 5530, 6478, 12565, 14719, 16195, 22673, 25130, 28361, 29438, 32390, 45346, 56722, 73595, 103033, 113365, 141805, 147190, 198527, 206066, 226730, 283610, 397054, 515165, 992635, 1030330, 1162801, 1985270, 2325602, 5814005, 8139607, 11628010, 16279214, 40698035, 81396070]

約数ペア:

[(1, 81396070), (2, 40698035), (5, 16279214), (7, 11628010), (10, 8139607), (14, 5814005), (35, 2325602), (41, 1985270), (70, 1162801), (79, 1030330), (82, 992635), (158, 515165), (205, 397054), (287, 283610), (359, 226730), (395, 206066), (410, 198527), (553, 147190), (574, 141805), (718, 113365), (790, 103033), (1106, 73595), (1435, 56722), (1795, 45346), (2513, 32390), (2765, 29438), (2870, 28361), (3239, 25130), (3590, 22673), (5026, 16195), (5530, 14719), (6478, 12565)]