1211528080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2163443}}^1$

素因数の和:2163463

約数の個数: 40

約数和(自身を含む): 3219204672

約数和(自身を除く): 2007676592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2163443, 4326886, 8653772, 10817215, 15144101, 17307544, 21634430, 30288202, 34615088, 43268860, 60576404, 75720505, 86537720, 121152808, 151441010, 173075440, 242305616, 302882020, 605764040, 1211528080]

約数ペア:

[(1, 1211528080), (2, 605764040), (4, 302882020), (5, 242305616), (7, 173075440), (8, 151441010), (10, 121152808), (14, 86537720), (16, 75720505), (20, 60576404), (28, 43268860), (35, 34615088), (40, 30288202), (56, 21634430), (70, 17307544), (80, 15144101), (112, 10817215), (140, 8653772), (280, 4326886), (560, 2163443)]