81336570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{55331}}^1$

素因数の和:55355

約数の個数: 48

約数和(自身を含む): 227082528

約数和(自身を除く): 145745958

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 55331, 110662, 165993, 276655, 331986, 387317, 553310, 774634, 829965, 1161951, 1659930, 1936585, 2323902, 2711219, 3873170, 5422438, 5809755, 8133657, 11619510, 13556095, 16267314, 27112190, 40668285, 81336570]

約数ペア:

[(1, 81336570), (2, 40668285), (3, 27112190), (5, 16267314), (6, 13556095), (7, 11619510), (10, 8133657), (14, 5809755), (15, 5422438), (21, 3873170), (30, 2711219), (35, 2323902), (42, 1936585), (49, 1659930), (70, 1161951), (98, 829965), (105, 774634), (147, 553310), (210, 387317), (245, 331986), (294, 276655), (490, 165993), (735, 110662), (1470, 55331)]