199727760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1259}}^1$

素因数の和:1936

約数の個数: 80

約数和(自身を含む): 620585280

約数和(自身を除く): 420857520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 661, 1259, 1322, 1983, 2518, 2644, 3305, 3777, 3966, 5036, 5288, 6295, 6610, 7554, 7932, 9915, 10072, 10576, 12590, 13220, 15108, 15864, 18885, 19830, 20144, 25180, 26440, 30216, 31728, 37770, 39660, 50360, 52880, 60432, 75540, 79320, 100720, 151080, 158640, 302160, 832199, 1664398, 2496597, 3328796, 4160995, 4993194, 6657592, 8321990, 9986388, 12482985, 13315184, 16643980, 19972776, 24965970, 33287960, 39945552, 49931940, 66575920, 99863880, 199727760]

約数ペア:

[(1, 199727760), (2, 99863880), (3, 66575920), (4, 49931940), (5, 39945552), (6, 33287960), (8, 24965970), (10, 19972776), (12, 16643980), (15, 13315184), (16, 12482985), (20, 9986388), (24, 8321990), (30, 6657592), (40, 4993194), (48, 4160995), (60, 3328796), (80, 2496597), (120, 1664398), (240, 832199), (661, 302160), (1259, 158640), (1322, 151080), (1983, 100720), (2518, 79320), (2644, 75540), (3305, 60432), (3777, 52880), (3966, 50360), (5036, 39660), (5288, 37770), (6295, 31728), (6610, 30216), (7554, 26440), (7932, 25180), (9915, 20144), (10072, 19830), (10576, 18885), (12590, 15864), (13220, 15108)]