168919260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21491}}^1$

素因数の和:21634

約数の個数: 48

約数和(自身を含む): 476606592

約数和(自身を除く): 307687332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 21491, 42982, 64473, 85964, 107455, 128946, 214910, 257892, 322365, 429820, 644730, 1289460, 2815321, 5630642, 8445963, 11261284, 14076605, 16891926, 28153210, 33783852, 42229815, 56306420, 84459630, 168919260]

約数ペア:

[(1, 168919260), (2, 84459630), (3, 56306420), (4, 42229815), (5, 33783852), (6, 28153210), (10, 16891926), (12, 14076605), (15, 11261284), (20, 8445963), (30, 5630642), (60, 2815321), (131, 1289460), (262, 644730), (393, 429820), (524, 322365), (655, 257892), (786, 214910), (1310, 128946), (1572, 107455), (1965, 85964), (2620, 64473), (3930, 42982), (7860, 21491)]