128309720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41659}}^1$

素因数の和:41688

約数の個数: 64

約数和(自身を含む): 359942400

約数和(自身を除く): 231632680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 41659, 83318, 166636, 208295, 291613, 333272, 416590, 458249, 583226, 833180, 916498, 1166452, 1458065, 1666360, 1832996, 2291245, 2332904, 2916130, 3207743, 3665992, 4582490, 5832260, 6415486, 9164980, 11664520, 12830972, 16038715, 18329960, 25661944, 32077430, 64154860, 128309720]

約数ペア:

[(1, 128309720), (2, 64154860), (4, 32077430), (5, 25661944), (7, 18329960), (8, 16038715), (10, 12830972), (11, 11664520), (14, 9164980), (20, 6415486), (22, 5832260), (28, 4582490), (35, 3665992), (40, 3207743), (44, 2916130), (55, 2332904), (56, 2291245), (70, 1832996), (77, 1666360), (88, 1458065), (110, 1166452), (140, 916498), (154, 833180), (220, 583226), (280, 458249), (308, 416590), (385, 333272), (440, 291613), (616, 208295), (770, 166636), (1540, 83318), (3080, 41659)]