81905130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6947}}^1$

素因数の和:7091

約数の個数: 48

約数和(自身を含む): 214609824

約数和(自身を除く): 132704694

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 3930, 5895, 6947, 11790, 13894, 20841, 34735, 41682, 62523, 69470, 104205, 125046, 208410, 312615, 625230, 910057, 1820114, 2730171, 4550285, 5460342, 8190513, 9100570, 13650855, 16381026, 27301710, 40952565, 81905130]

約数ペア:

[(1, 81905130), (2, 40952565), (3, 27301710), (5, 16381026), (6, 13650855), (9, 9100570), (10, 8190513), (15, 5460342), (18, 4550285), (30, 2730171), (45, 1820114), (90, 910057), (131, 625230), (262, 312615), (393, 208410), (655, 125046), (786, 104205), (1179, 69470), (1310, 62523), (1965, 41682), (2358, 34735), (3930, 20841), (5895, 13894), (6947, 11790)]