71742440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23293}}^1$

素因数の和:23322

約数の個数: 64

約数和(自身を含む): 201260160

約数和(自身を除く): 129517720

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, 23293, 46586, 93172, 116465, 163051, 186344, 232930, 256223, 326102, 465860, 512446, 652204, 815255, 931720, 1024892, 1281115, 1304408, 1630510, 1793561, 2049784, 2562230, 3261020, 3587122, 5124460, 6522040, 7174244, 8967805, 10248920, 14348488, 17935610, 35871220, 71742440]

約数ペア:

[(1, 71742440), (2, 35871220), (4, 17935610), (5, 14348488), (7, 10248920), (8, 8967805), (10, 7174244), (11, 6522040), (14, 5124460), (20, 3587122), (22, 3261020), (28, 2562230), (35, 2049784), (40, 1793561), (44, 1630510), (55, 1304408), (56, 1281115), (70, 1024892), (77, 931720), (88, 815255), (110, 652204), (140, 512446), (154, 465860), (220, 326102), (280, 256223), (308, 232930), (385, 186344), (440, 163051), (616, 116465), (770, 93172), (1540, 46586), (3080, 23293)]