81570510

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{43159}}^1$

素因数の和:43182

約数の個数: 64

約数和(自身を含む): 248601600

約数和(自身を除く): 167031090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 43159, 86318, 129477, 215795, 258954, 302113, 388431, 431590, 604226, 647385, 776862, 906339, 1165293, 1294770, 1510565, 1812678, 1942155, 2330586, 2719017, 3021130, 3884310, 4531695, 5438034, 5826465, 8157051, 9063390, 11652930, 13595085, 16314102, 27190170, 40785255, 81570510]

約数ペア:

[(1, 81570510), (2, 40785255), (3, 27190170), (5, 16314102), (6, 13595085), (7, 11652930), (9, 9063390), (10, 8157051), (14, 5826465), (15, 5438034), (18, 4531695), (21, 3884310), (27, 3021130), (30, 2719017), (35, 2330586), (42, 1942155), (45, 1812678), (54, 1510565), (63, 1294770), (70, 1165293), (90, 906339), (105, 776862), (126, 647385), (135, 604226), (189, 431590), (210, 388431), (270, 302113), (315, 258954), (378, 215795), (630, 129477), (945, 86318), (1890, 43159)]