3965790640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{307903}}^1$

素因数の和:307946

約数の個数: 80

約数和(自身を含む): 10995867648

約数和(自身を除く): 7030077008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 307903, 615806, 1231612, 1539515, 2155321, 2463224, 3079030, 4310642, 4926448, 6158060, 7081769, 8621284, 10776605, 12316120, 14163538, 17242568, 21553210, 24632240, 28327076, 34485136, 35408845, 43106420, 49572383, 56654152, 70817690, 86212840, 99144766, 113308304, 141635380, 172425680, 198289532, 247861915, 283270760, 396579064, 495723830, 566541520, 793158128, 991447660, 1982895320, 3965790640]

約数ペア:

[(1, 3965790640), (2, 1982895320), (4, 991447660), (5, 793158128), (7, 566541520), (8, 495723830), (10, 396579064), (14, 283270760), (16, 247861915), (20, 198289532), (23, 172425680), (28, 141635380), (35, 113308304), (40, 99144766), (46, 86212840), (56, 70817690), (70, 56654152), (80, 49572383), (92, 43106420), (112, 35408845), (115, 34485136), (140, 28327076), (161, 24632240), (184, 21553210), (230, 17242568), (280, 14163538), (322, 12316120), (368, 10776605), (460, 8621284), (560, 7081769), (644, 6158060), (805, 4926448), (920, 4310642), (1288, 3079030), (1610, 2463224), (1840, 2155321), (2576, 1539515), (3220, 1231612), (6440, 615806), (12880, 307903)]