65982780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21563}}^1$

素因数の和:21595

約数の個数: 72

約数和(自身を含む): 211930992

約数和(自身を除く): 145948212

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, 21563, 43126, 64689, 86252, 107815, 129378, 194067, 215630, 258756, 323445, 366571, 388134, 431260, 646890, 733142, 776268, 970335, 1099713, 1293780, 1466284, 1832855, 1940670, 2199426, 3299139, 3665710, 3881340, 4398852, 5498565, 6598278, 7331420, 10997130, 13196556, 16495695, 21994260, 32991390, 65982780]

約数ペア:

[(1, 65982780), (2, 32991390), (3, 21994260), (4, 16495695), (5, 13196556), (6, 10997130), (9, 7331420), (10, 6598278), (12, 5498565), (15, 4398852), (17, 3881340), (18, 3665710), (20, 3299139), (30, 2199426), (34, 1940670), (36, 1832855), (45, 1466284), (51, 1293780), (60, 1099713), (68, 970335), (85, 776268), (90, 733142), (102, 646890), (153, 431260), (170, 388134), (180, 366571), (204, 323445), (255, 258756), (306, 215630), (340, 194067), (510, 129378), (612, 107815), (765, 86252), (1020, 64689), (1530, 43126), (3060, 21563)]