1557540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 5012280

約数和(自身を除く): 3454740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 509, 510, 612, 765, 1018, 1020, 1527, 1530, 2036, 2545, 3054, 3060, 4581, 5090, 6108, 7635, 8653, 9162, 10180, 15270, 17306, 18324, 22905, 25959, 30540, 34612, 43265, 45810, 51918, 77877, 86530, 91620, 103836, 129795, 155754, 173060, 259590, 311508, 389385, 519180, 778770, 1557540]

約数ペア:

[(1, 1557540), (2, 778770), (3, 519180), (4, 389385), (5, 311508), (6, 259590), (9, 173060), (10, 155754), (12, 129795), (15, 103836), (17, 91620), (18, 86530), (20, 77877), (30, 51918), (34, 45810), (36, 43265), (45, 34612), (51, 30540), (60, 25959), (68, 22905), (85, 18324), (90, 17306), (102, 15270), (153, 10180), (170, 9162), (180, 8653), (204, 7635), (255, 6108), (306, 5090), (340, 4581), (509, 3060), (510, 3054), (612, 2545), (765, 2036), (1018, 1530), (1020, 1527)]