13621980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9871}}^1$

素因数の和:9906

約数の個数: 48

約数和(自身を含む): 39803904

約数和(自身を除く): 26181924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 9871, 19742, 29613, 39484, 49355, 59226, 98710, 118452, 148065, 197420, 227033, 296130, 454066, 592260, 681099, 908132, 1135165, 1362198, 2270330, 2724396, 3405495, 4540660, 6810990, 13621980]

約数ペア:

[(1, 13621980), (2, 6810990), (3, 4540660), (4, 3405495), (5, 2724396), (6, 2270330), (10, 1362198), (12, 1135165), (15, 908132), (20, 681099), (23, 592260), (30, 454066), (46, 296130), (60, 227033), (69, 197420), (92, 148065), (115, 118452), (138, 98710), (230, 59226), (276, 49355), (345, 39484), (460, 29613), (690, 19742), (1380, 9871)]