1520404535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 2135282688

約数和(自身を除く): 614878153

約数列:

[1, 5, 13, 23, 43, 65, 67, 115, 215, 299, 335, 353, 559, 871, 989, 1495, 1541, 1765, 2795, 2881, 4355, 4589, 4945, 7705, 8119, 12857, 14405, 15179, 20033, 22945, 23651, 37453, 40595, 64285, 66263, 75895, 100165, 105547, 118255, 187265, 197327, 307463, 331315, 349117, 527735, 543973, 861419, 986635, 1016993, 1537315, 1745585, 2719865, 4307095, 4538521, 5084965, 7071649, 13220909, 22692605, 23390839, 35358245, 66104545, 116954195, 304080907, 1520404535]

約数ペア:

[(1, 1520404535), (5, 304080907), (13, 116954195), (23, 66104545), (43, 35358245), (65, 23390839), (67, 22692605), (115, 13220909), (215, 7071649), (299, 5084965), (335, 4538521), (353, 4307095), (559, 2719865), (871, 1745585), (989, 1537315), (1495, 1016993), (1541, 986635), (1765, 861419), (2795, 543973), (2881, 527735), (4355, 349117), (4589, 331315), (4945, 307463), (7705, 197327), (8119, 187265), (12857, 118255), (14405, 105547), (15179, 100165), (20033, 75895), (22945, 66263), (23651, 64285), (37453, 40595)]