11931640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 31426560

約数和(自身を除く): 19494920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 991, 1204, 1505, 1720, 1982, 2408, 3010, 3964, 4955, 6020, 6937, 7928, 9910, 12040, 13874, 19820, 27748, 34685, 39640, 42613, 55496, 69370, 85226, 138740, 170452, 213065, 277480, 298291, 340904, 426130, 596582, 852260, 1193164, 1491455, 1704520, 2386328, 2982910, 5965820, 11931640]

約数ペア:

[(1, 11931640), (2, 5965820), (4, 2982910), (5, 2386328), (7, 1704520), (8, 1491455), (10, 1193164), (14, 852260), (20, 596582), (28, 426130), (35, 340904), (40, 298291), (43, 277480), (56, 213065), (70, 170452), (86, 138740), (140, 85226), (172, 69370), (215, 55496), (280, 42613), (301, 39640), (344, 34685), (430, 27748), (602, 19820), (860, 13874), (991, 12040), (1204, 9910), (1505, 7928), (1720, 6937), (1982, 6020), (2408, 4955), (3010, 3964)]