68694640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{509}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 183648960

約数和(自身を除く): 114954320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 241, 280, 482, 509, 560, 964, 1018, 1205, 1687, 1928, 2036, 2410, 2545, 3374, 3563, 3856, 4072, 4820, 5090, 6748, 7126, 8144, 8435, 9640, 10180, 13496, 14252, 16870, 17815, 19280, 20360, 26992, 28504, 33740, 35630, 40720, 57008, 67480, 71260, 122669, 134960, 142520, 245338, 285040, 490676, 613345, 858683, 981352, 1226690, 1717366, 1962704, 2453380, 3434732, 4293415, 4906760, 6869464, 8586830, 9813520, 13738928, 17173660, 34347320, 68694640]

約数ペア:

[(1, 68694640), (2, 34347320), (4, 17173660), (5, 13738928), (7, 9813520), (8, 8586830), (10, 6869464), (14, 4906760), (16, 4293415), (20, 3434732), (28, 2453380), (35, 1962704), (40, 1717366), (56, 1226690), (70, 981352), (80, 858683), (112, 613345), (140, 490676), (241, 285040), (280, 245338), (482, 142520), (509, 134960), (560, 122669), (964, 71260), (1018, 67480), (1205, 57008), (1687, 40720), (1928, 35630), (2036, 33740), (2410, 28504), (2545, 26992), (3374, 20360), (3563, 19280), (3856, 17815), (4072, 16870), (4820, 14252), (5090, 13496), (6748, 10180), (7126, 9640), (8144, 8435)]