861390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:593

約数の個数: 48

約数和(自身を含む): 2375568

約数和(自身を除く): 1514178

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 563, 765, 1126, 1530, 1689, 2815, 3378, 5067, 5630, 8445, 9571, 10134, 16890, 19142, 25335, 28713, 47855, 50670, 57426, 86139, 95710, 143565, 172278, 287130, 430695, 861390]

約数ペア:

[(1, 861390), (2, 430695), (3, 287130), (5, 172278), (6, 143565), (9, 95710), (10, 86139), (15, 57426), (17, 50670), (18, 47855), (30, 28713), (34, 25335), (45, 19142), (51, 16890), (85, 10134), (90, 9571), (102, 8445), (153, 5630), (170, 5067), (255, 3378), (306, 2815), (510, 1689), (563, 1530), (765, 1126)]