72891180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{404951}}^1$

素因数の和:404966

約数の個数: 36

約数和(自身を含む): 221103792

約数和(自身を除く): 148212612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 404951, 809902, 1214853, 1619804, 2024755, 2429706, 3644559, 4049510, 4859412, 6074265, 7289118, 8099020, 12148530, 14578236, 18222795, 24297060, 36445590, 72891180]

約数ペア:

[(1, 72891180), (2, 36445590), (3, 24297060), (4, 18222795), (5, 14578236), (6, 12148530), (9, 8099020), (10, 7289118), (12, 6074265), (15, 4859412), (18, 4049510), (20, 3644559), (30, 2429706), (36, 2024755), (45, 1619804), (60, 1214853), (90, 809902), (180, 404951)]