42680680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:818

約数の個数: 64

約数和(自身を含む): 110327040

約数和(自身を除く): 67646360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 487, 626, 974, 1252, 1565, 1948, 2191, 2435, 2504, 3130, 3409, 3896, 4382, 4870, 6260, 6818, 8764, 9740, 10955, 12520, 13636, 17045, 17528, 19480, 21910, 27272, 34090, 43820, 68180, 87640, 136360, 152431, 304862, 609724, 762155, 1067017, 1219448, 1524310, 2134034, 3048620, 4268068, 5335085, 6097240, 8536136, 10670170, 21340340, 42680680]

約数ペア:

[(1, 42680680), (2, 21340340), (4, 10670170), (5, 8536136), (7, 6097240), (8, 5335085), (10, 4268068), (14, 3048620), (20, 2134034), (28, 1524310), (35, 1219448), (40, 1067017), (56, 762155), (70, 609724), (140, 304862), (280, 152431), (313, 136360), (487, 87640), (626, 68180), (974, 43820), (1252, 34090), (1565, 27272), (1948, 21910), (2191, 19480), (2435, 17528), (2504, 17045), (3130, 13636), (3409, 12520), (3896, 10955), (4382, 9740), (4870, 8764), (6260, 6818)]