71338520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2221}}^1$

素因数の和:2316

約数の個数: 64

約数和(自身を含む): 177582240

約数和(自身を除く): 106243720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 2221, 2920, 3212, 4015, 4442, 6424, 8030, 8884, 11105, 16060, 17768, 22210, 24431, 32120, 44420, 48862, 88840, 97724, 122155, 162133, 195448, 244310, 324266, 488620, 648532, 810665, 977240, 1297064, 1621330, 1783463, 3242660, 3566926, 6485320, 7133852, 8917315, 14267704, 17834630, 35669260, 71338520]

約数ペア:

[(1, 71338520), (2, 35669260), (4, 17834630), (5, 14267704), (8, 8917315), (10, 7133852), (11, 6485320), (20, 3566926), (22, 3242660), (40, 1783463), (44, 1621330), (55, 1297064), (73, 977240), (88, 810665), (110, 648532), (146, 488620), (220, 324266), (292, 244310), (365, 195448), (440, 162133), (584, 122155), (730, 97724), (803, 88840), (1460, 48862), (1606, 44420), (2221, 32120), (2920, 24431), (3212, 22210), (4015, 17768), (4442, 16060), (6424, 11105), (8030, 8884)]