82078640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1423}}^1$

素因数の和:1546

約数の個数: 80

約数和(自身を含む): 220366848

約数和(自身を除く): 138288208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1423, 1442, 1648, 2060, 2846, 2884, 3605, 4120, 5692, 5768, 7115, 7210, 8240, 9961, 11384, 11536, 14230, 14420, 19922, 22768, 28460, 28840, 39844, 49805, 56920, 57680, 79688, 99610, 113840, 146569, 159376, 199220, 293138, 398440, 586276, 732845, 796880, 1025983, 1172552, 1465690, 2051966, 2345104, 2931380, 4103932, 5129915, 5862760, 8207864, 10259830, 11725520, 16415728, 20519660, 41039320, 82078640]

約数ペア:

[(1, 82078640), (2, 41039320), (4, 20519660), (5, 16415728), (7, 11725520), (8, 10259830), (10, 8207864), (14, 5862760), (16, 5129915), (20, 4103932), (28, 2931380), (35, 2345104), (40, 2051966), (56, 1465690), (70, 1172552), (80, 1025983), (103, 796880), (112, 732845), (140, 586276), (206, 398440), (280, 293138), (412, 199220), (515, 159376), (560, 146569), (721, 113840), (824, 99610), (1030, 79688), (1423, 57680), (1442, 56920), (1648, 49805), (2060, 39844), (2846, 28840), (2884, 28460), (3605, 22768), (4120, 19922), (5692, 14420), (5768, 14230), (7115, 11536), (7210, 11384), (8240, 9961)]