218659920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1579}}^1$

素因数の和:2172

約数の個数: 80

約数和(自身を含む): 679450560

約数和(自身を除く): 460790640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 577, 1154, 1579, 1731, 2308, 2885, 3158, 3462, 4616, 4737, 5770, 6316, 6924, 7895, 8655, 9232, 9474, 11540, 12632, 13848, 15790, 17310, 18948, 23080, 23685, 25264, 27696, 31580, 34620, 37896, 46160, 47370, 63160, 69240, 75792, 94740, 126320, 138480, 189480, 378960, 911083, 1822166, 2733249, 3644332, 4555415, 5466498, 7288664, 9110830, 10932996, 13666245, 14577328, 18221660, 21865992, 27332490, 36443320, 43731984, 54664980, 72886640, 109329960, 218659920]

約数ペア:

[(1, 218659920), (2, 109329960), (3, 72886640), (4, 54664980), (5, 43731984), (6, 36443320), (8, 27332490), (10, 21865992), (12, 18221660), (15, 14577328), (16, 13666245), (20, 10932996), (24, 9110830), (30, 7288664), (40, 5466498), (48, 4555415), (60, 3644332), (80, 2733249), (120, 1822166), (240, 911083), (577, 378960), (1154, 189480), (1579, 138480), (1731, 126320), (2308, 94740), (2885, 75792), (3158, 69240), (3462, 63160), (4616, 47370), (4737, 46160), (5770, 37896), (6316, 34620), (6924, 31580), (7895, 27696), (8655, 25264), (9232, 23685), (9474, 23080), (11540, 18948), (12632, 17310), (13848, 15790)]