202180720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1619}}^1$

素因数の和:1862

約数の個数: 80

約数和(自身を含む): 539965440

約数和(自身を除く): 337784720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 446, 560, 892, 1115, 1561, 1619, 1784, 2230, 3122, 3238, 3568, 4460, 6244, 6476, 7805, 8095, 8920, 11333, 12488, 12952, 15610, 16190, 17840, 22666, 24976, 25904, 31220, 32380, 45332, 56665, 62440, 64760, 90664, 113330, 124880, 129520, 181328, 226660, 361037, 453320, 722074, 906640, 1444148, 1805185, 2527259, 2888296, 3610370, 5054518, 5776592, 7220740, 10109036, 12636295, 14441480, 20218072, 25272590, 28882960, 40436144, 50545180, 101090360, 202180720]

約数ペア:

[(1, 202180720), (2, 101090360), (4, 50545180), (5, 40436144), (7, 28882960), (8, 25272590), (10, 20218072), (14, 14441480), (16, 12636295), (20, 10109036), (28, 7220740), (35, 5776592), (40, 5054518), (56, 3610370), (70, 2888296), (80, 2527259), (112, 1805185), (140, 1444148), (223, 906640), (280, 722074), (446, 453320), (560, 361037), (892, 226660), (1115, 181328), (1561, 129520), (1619, 124880), (1784, 113330), (2230, 90664), (3122, 64760), (3238, 62440), (3568, 56665), (4460, 45332), (6244, 32380), (6476, 31220), (7805, 25904), (8095, 24976), (8920, 22666), (11333, 17840), (12488, 16190), (12952, 15610)]