205837020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:660

約数の個数: 144

約数和(自身を含む): 667281888

約数和(自身を除く): 461444868

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, 137, 153, 170, 180, 204, 255, 274, 306, 340, 411, 491, 510, 548, 612, 685, 765, 822, 982, 1020, 1233, 1370, 1473, 1530, 1644, 1964, 2055, 2329, 2455, 2466, 2740, 2946, 3060, 4110, 4419, 4658, 4910, 4932, 5892, 6165, 6987, 7365, 8220, 8347, 8838, 9316, 9820, 11645, 12330, 13974, 14730, 16694, 17676, 20961, 22095, 23290, 24660, 25041, 27948, 29460, 33388, 34935, 41735, 41922, 44190, 46580, 50082, 67267, 69870, 75123, 83470, 83844, 88380, 100164, 104805, 125205, 134534, 139740, 150246, 166940, 201801, 209610, 250410, 269068, 300492, 336335, 375615, 403602, 419220, 500820, 605403, 672670, 751230, 807204, 1009005, 1143539, 1210806, 1345340, 1502460, 2018010, 2287078, 2421612, 3027015, 3430617, 4036020, 4574156, 5717695, 6054030, 6861234, 10291851, 11435390, 12108060, 13722468, 17153085, 20583702, 22870780, 34306170, 41167404, 51459255, 68612340, 102918510, 205837020]

約数ペア:

[(1, 205837020), (2, 102918510), (3, 68612340), (4, 51459255), (5, 41167404), (6, 34306170), (9, 22870780), (10, 20583702), (12, 17153085), (15, 13722468), (17, 12108060), (18, 11435390), (20, 10291851), (30, 6861234), (34, 6054030), (36, 5717695), (45, 4574156), (51, 4036020), (60, 3430617), (68, 3027015), (85, 2421612), (90, 2287078), (102, 2018010), (137, 1502460), (153, 1345340), (170, 1210806), (180, 1143539), (204, 1009005), (255, 807204), (274, 751230), (306, 672670), (340, 605403), (411, 500820), (491, 419220), (510, 403602), (548, 375615), (612, 336335), (685, 300492), (765, 269068), (822, 250410), (982, 209610), (1020, 201801), (1233, 166940), (1370, 150246), (1473, 139740), (1530, 134534), (1644, 125205), (1964, 104805), (2055, 100164), (2329, 88380), (2455, 83844), (2466, 83470), (2740, 75123), (2946, 69870), (3060, 67267), (4110, 50082), (4419, 46580), (4658, 44190), (4910, 41922), (4932, 41735), (5892, 34935), (6165, 33388), (6987, 29460), (7365, 27948), (8220, 25041), (8347, 24660), (8838, 23290), (9316, 22095), (9820, 20961), (11645, 17676), (12330, 16694), (13974, 14730)]