389655180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21017}}^1$

素因数の和:21135

約数の個数: 72

約数和(自身を含む): 1193486112

約数和(自身を除く): 803830932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 18540, 21017, 42034, 63051, 84068, 105085, 126102, 189153, 210170, 252204, 315255, 378306, 420340, 630510, 756612, 945765, 1261020, 1891530, 2164751, 3783060, 4329502, 6494253, 8659004, 10823755, 12988506, 19482759, 21647510, 25977012, 32471265, 38965518, 43295020, 64942530, 77931036, 97413795, 129885060, 194827590, 389655180]

約数ペア:

[(1, 389655180), (2, 194827590), (3, 129885060), (4, 97413795), (5, 77931036), (6, 64942530), (9, 43295020), (10, 38965518), (12, 32471265), (15, 25977012), (18, 21647510), (20, 19482759), (30, 12988506), (36, 10823755), (45, 8659004), (60, 6494253), (90, 4329502), (103, 3783060), (180, 2164751), (206, 1891530), (309, 1261020), (412, 945765), (515, 756612), (618, 630510), (927, 420340), (1030, 378306), (1236, 315255), (1545, 252204), (1854, 210170), (2060, 189153), (3090, 126102), (3708, 105085), (4635, 84068), (6180, 63051), (9270, 42034), (18540, 21017)]