260396820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2054

約数の個数: 144

約数和(自身を含む): 856215360

約数和(自身を除く): 595818540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 510, 516, 612, 645, 731, 765, 774, 860, 1020, 1290, 1462, 1530, 1548, 1935, 1979, 2193, 2580, 2924, 3060, 3655, 3870, 3958, 4386, 5937, 6579, 7310, 7740, 7916, 8772, 9895, 10965, 11874, 13158, 14620, 17811, 19790, 21930, 23748, 26316, 29685, 32895, 33643, 35622, 39580, 43860, 59370, 65790, 67286, 71244, 85097, 89055, 100929, 118740, 131580, 134572, 168215, 170194, 178110, 201858, 255291, 302787, 336430, 340388, 356220, 403716, 425485, 504645, 510582, 605574, 672860, 765873, 850970, 1009290, 1021164, 1211148, 1276455, 1446649, 1513935, 1531746, 1701940, 2018580, 2552910, 2893298, 3027870, 3063492, 3829365, 4339947, 5105820, 5786596, 6055740, 7233245, 7658730, 8679894, 13019841, 14466490, 15317460, 17359788, 21699735, 26039682, 28932980, 43399470, 52079364, 65099205, 86798940, 130198410, 260396820]

約数ペア:

[(1, 260396820), (2, 130198410), (3, 86798940), (4, 65099205), (5, 52079364), (6, 43399470), (9, 28932980), (10, 26039682), (12, 21699735), (15, 17359788), (17, 15317460), (18, 14466490), (20, 13019841), (30, 8679894), (34, 7658730), (36, 7233245), (43, 6055740), (45, 5786596), (51, 5105820), (60, 4339947), (68, 3829365), (85, 3063492), (86, 3027870), (90, 2893298), (102, 2552910), (129, 2018580), (153, 1701940), (170, 1531746), (172, 1513935), (180, 1446649), (204, 1276455), (215, 1211148), (255, 1021164), (258, 1009290), (306, 850970), (340, 765873), (387, 672860), (430, 605574), (510, 510582), (516, 504645), (612, 425485), (645, 403716), (731, 356220), (765, 340388), (774, 336430), (860, 302787), (1020, 255291), (1290, 201858), (1462, 178110), (1530, 170194), (1548, 168215), (1935, 134572), (1979, 131580), (2193, 118740), (2580, 100929), (2924, 89055), (3060, 85097), (3655, 71244), (3870, 67286), (3958, 65790), (4386, 59370), (5937, 43860), (6579, 39580), (7310, 35622), (7740, 33643), (7916, 32895), (8772, 29685), (9895, 26316), (10965, 23748), (11874, 21930), (13158, 19790), (14620, 17811)]