71631180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397951}}^1$

素因数の和:397966

約数の個数: 36

約数和(自身を含む): 217281792

約数和(自身を除く): 145650612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397951, 795902, 1193853, 1591804, 1989755, 2387706, 3581559, 3979510, 4775412, 5969265, 7163118, 7959020, 11938530, 14326236, 17907795, 23877060, 35815590, 71631180]

約数ペア:

[(1, 71631180), (2, 35815590), (3, 23877060), (4, 17907795), (5, 14326236), (6, 11938530), (9, 7959020), (10, 7163118), (12, 5969265), (15, 4775412), (18, 3979510), (20, 3581559), (30, 2387706), (36, 1989755), (45, 1591804), (60, 1193853), (90, 795902), (180, 397951)]