21866640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{509}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 68299200

約数和(自身を除く): 46432560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 179, 240, 358, 509, 537, 716, 895, 1018, 1074, 1432, 1527, 1790, 2036, 2148, 2545, 2685, 2864, 3054, 3580, 4072, 4296, 5090, 5370, 6108, 7160, 7635, 8144, 8592, 10180, 10740, 12216, 14320, 15270, 20360, 21480, 24432, 30540, 40720, 42960, 61080, 91111, 122160, 182222, 273333, 364444, 455555, 546666, 728888, 911110, 1093332, 1366665, 1457776, 1822220, 2186664, 2733330, 3644440, 4373328, 5466660, 7288880, 10933320, 21866640]

約数ペア:

[(1, 21866640), (2, 10933320), (3, 7288880), (4, 5466660), (5, 4373328), (6, 3644440), (8, 2733330), (10, 2186664), (12, 1822220), (15, 1457776), (16, 1366665), (20, 1093332), (24, 911110), (30, 728888), (40, 546666), (48, 455555), (60, 364444), (80, 273333), (120, 182222), (179, 122160), (240, 91111), (358, 61080), (509, 42960), (537, 40720), (716, 30540), (895, 24432), (1018, 21480), (1074, 20360), (1432, 15270), (1527, 14320), (1790, 12216), (2036, 10740), (2148, 10180), (2545, 8592), (2685, 8144), (2864, 7635), (3054, 7160), (3580, 6108), (4072, 5370), (4296, 5090)]