81368460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26591}}^1$

素因数の和:26623

約数の個数: 72

約数和(自身を含む): 261346176

約数和(自身を除く): 179977716

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, 510, 612, 765, 1020, 1530, 3060, 26591, 53182, 79773, 106364, 132955, 159546, 239319, 265910, 319092, 398865, 452047, 478638, 531820, 797730, 904094, 957276, 1196595, 1356141, 1595460, 1808188, 2260235, 2393190, 2712282, 4068423, 4520470, 4786380, 5424564, 6780705, 8136846, 9040940, 13561410, 16273692, 20342115, 27122820, 40684230, 81368460]

約数ペア:

[(1, 81368460), (2, 40684230), (3, 27122820), (4, 20342115), (5, 16273692), (6, 13561410), (9, 9040940), (10, 8136846), (12, 6780705), (15, 5424564), (17, 4786380), (18, 4520470), (20, 4068423), (30, 2712282), (34, 2393190), (36, 2260235), (45, 1808188), (51, 1595460), (60, 1356141), (68, 1196595), (85, 957276), (90, 904094), (102, 797730), (153, 531820), (170, 478638), (180, 452047), (204, 398865), (255, 319092), (306, 265910), (340, 239319), (510, 159546), (612, 132955), (765, 106364), (1020, 79773), (1530, 53182), (3060, 26591)]