128163960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1789}}^1$

素因数の和:2005

約数の個数: 96

約数和(自身を含む): 418860000

約数和(自身を除く): 290696040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 199, 360, 398, 597, 796, 995, 1194, 1592, 1789, 1791, 1990, 2388, 2985, 3578, 3582, 3980, 4776, 5367, 5970, 7156, 7164, 7960, 8945, 8955, 10734, 11940, 14312, 14328, 16101, 17890, 17910, 21468, 23880, 26835, 32202, 35780, 35820, 42936, 53670, 64404, 71560, 71640, 80505, 107340, 128808, 161010, 214680, 322020, 356011, 644040, 712022, 1068033, 1424044, 1780055, 2136066, 2848088, 3204099, 3560110, 4272132, 5340165, 6408198, 7120220, 8544264, 10680330, 12816396, 14240440, 16020495, 21360660, 25632792, 32040990, 42721320, 64081980, 128163960]

約数ペア:

[(1, 128163960), (2, 64081980), (3, 42721320), (4, 32040990), (5, 25632792), (6, 21360660), (8, 16020495), (9, 14240440), (10, 12816396), (12, 10680330), (15, 8544264), (18, 7120220), (20, 6408198), (24, 5340165), (30, 4272132), (36, 3560110), (40, 3204099), (45, 2848088), (60, 2136066), (72, 1780055), (90, 1424044), (120, 1068033), (180, 712022), (199, 644040), (360, 356011), (398, 322020), (597, 214680), (796, 161010), (995, 128808), (1194, 107340), (1592, 80505), (1789, 71640), (1791, 71560), (1990, 64404), (2388, 53670), (2985, 42936), (3578, 35820), (3582, 35780), (3980, 32202), (4776, 26835), (5367, 23880), (5970, 21468), (7156, 17910), (7164, 17890), (7960, 16101), (8945, 14328), (8955, 14312), (10734, 11940)]