42721320

素因数分解:

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

素因数の和:2002

約数の個数: 64

約数和(自身を含む): 128880000

約数和(自身を除く): 86158680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1789, 1990, 2388, 2985, 3578, 3980, 4776, 5367, 5970, 7156, 7960, 8945, 10734, 11940, 14312, 17890, 21468, 23880, 26835, 35780, 42936, 53670, 71560, 107340, 214680, 356011, 712022, 1068033, 1424044, 1780055, 2136066, 2848088, 3560110, 4272132, 5340165, 7120220, 8544264, 10680330, 14240440, 21360660, 42721320]

約数ペア:

[(1, 42721320), (2, 21360660), (3, 14240440), (4, 10680330), (5, 8544264), (6, 7120220), (8, 5340165), (10, 4272132), (12, 3560110), (15, 2848088), (20, 2136066), (24, 1780055), (30, 1424044), (40, 1068033), (60, 712022), (120, 356011), (199, 214680), (398, 107340), (597, 71560), (796, 53670), (995, 42936), (1194, 35780), (1592, 26835), (1789, 23880), (1990, 21468), (2388, 17890), (2985, 14312), (3578, 11940), (3980, 10734), (4776, 8945), (5367, 7960), (5970, 7156)]