864540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1601}}^1$

素因数の和:1619

約数の個数: 48

約数和(自身を含む): 2691360

約数和(自身を除く): 1826820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1601, 3202, 4803, 6404, 8005, 9606, 14409, 16010, 19212, 24015, 28818, 32020, 43227, 48030, 57636, 72045, 86454, 96060, 144090, 172908, 216135, 288180, 432270, 864540]

約数ペア:

[(1, 864540), (2, 432270), (3, 288180), (4, 216135), (5, 172908), (6, 144090), (9, 96060), (10, 86454), (12, 72045), (15, 57636), (18, 48030), (20, 43227), (27, 32020), (30, 28818), (36, 24015), (45, 19212), (54, 16010), (60, 14409), (90, 9606), (108, 8005), (135, 6404), (180, 4803), (270, 3202), (540, 1601)]