68183720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{643}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 168315840

約数和(自身を除く): 100132120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 241, 440, 482, 643, 964, 1205, 1286, 1928, 2410, 2572, 2651, 3215, 4820, 5144, 5302, 6430, 7073, 9640, 10604, 12860, 13255, 14146, 21208, 25720, 26510, 28292, 35365, 53020, 56584, 70730, 106040, 141460, 154963, 282920, 309926, 619852, 774815, 1239704, 1549630, 1704593, 3099260, 3409186, 6198520, 6818372, 8522965, 13636744, 17045930, 34091860, 68183720]

約数ペア:

[(1, 68183720), (2, 34091860), (4, 17045930), (5, 13636744), (8, 8522965), (10, 6818372), (11, 6198520), (20, 3409186), (22, 3099260), (40, 1704593), (44, 1549630), (55, 1239704), (88, 774815), (110, 619852), (220, 309926), (241, 282920), (440, 154963), (482, 141460), (643, 106040), (964, 70730), (1205, 56584), (1286, 53020), (1928, 35365), (2410, 28292), (2572, 26510), (2651, 25720), (3215, 21208), (4820, 14146), (5144, 13255), (5302, 12860), (6430, 10604), (7073, 9640)]