261383670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 192

約数和(自身を含む): 767257920

約数和(自身を除く): 505874250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 29, 30, 34, 43, 45, 51, 58, 85, 86, 87, 90, 102, 129, 137, 145, 153, 170, 174, 215, 255, 258, 261, 274, 290, 306, 387, 411, 430, 435, 493, 510, 522, 645, 685, 731, 765, 774, 822, 870, 986, 1233, 1247, 1290, 1305, 1370, 1462, 1479, 1530, 1935, 2055, 2193, 2329, 2465, 2466, 2494, 2610, 2958, 3655, 3741, 3870, 3973, 4110, 4386, 4437, 4658, 4930, 5891, 6165, 6235, 6579, 6987, 7310, 7395, 7482, 7946, 8874, 10965, 11223, 11645, 11782, 11919, 12330, 12470, 13158, 13974, 14790, 17673, 18705, 19865, 20961, 21199, 21930, 22185, 22446, 23290, 23838, 29455, 32895, 34935, 35346, 35757, 37410, 39730, 41922, 42398, 44370, 53019, 56115, 58910, 59595, 63597, 65790, 67541, 69870, 71514, 88365, 100147, 104805, 105995, 106038, 112230, 119190, 127194, 135082, 170839, 176730, 178785, 190791, 200294, 202623, 209610, 211990, 265095, 300441, 317985, 337705, 341678, 357570, 381582, 405246, 500735, 512517, 530190, 600882, 607869, 635970, 675410, 854195, 901323, 953955, 1001470, 1013115, 1025034, 1215738, 1502205, 1537551, 1708390, 1802646, 1907910, 2026230, 2562585, 2904263, 3004410, 3039345, 3075102, 4506615, 5125170, 5808526, 6078690, 7687755, 8712789, 9013230, 14521315, 15375510, 17425578, 26138367, 29042630, 43563945, 52276734, 87127890, 130691835, 261383670]

約数ペア:

[(1, 261383670), (2, 130691835), (3, 87127890), (5, 52276734), (6, 43563945), (9, 29042630), (10, 26138367), (15, 17425578), (17, 15375510), (18, 14521315), (29, 9013230), (30, 8712789), (34, 7687755), (43, 6078690), (45, 5808526), (51, 5125170), (58, 4506615), (85, 3075102), (86, 3039345), (87, 3004410), (90, 2904263), (102, 2562585), (129, 2026230), (137, 1907910), (145, 1802646), (153, 1708390), (170, 1537551), (174, 1502205), (215, 1215738), (255, 1025034), (258, 1013115), (261, 1001470), (274, 953955), (290, 901323), (306, 854195), (387, 675410), (411, 635970), (430, 607869), (435, 600882), (493, 530190), (510, 512517), (522, 500735), (645, 405246), (685, 381582), (731, 357570), (765, 341678), (774, 337705), (822, 317985), (870, 300441), (986, 265095), (1233, 211990), (1247, 209610), (1290, 202623), (1305, 200294), (1370, 190791), (1462, 178785), (1479, 176730), (1530, 170839), (1935, 135082), (2055, 127194), (2193, 119190), (2329, 112230), (2465, 106038), (2466, 105995), (2494, 104805), (2610, 100147), (2958, 88365), (3655, 71514), (3741, 69870), (3870, 67541), (3973, 65790), (4110, 63597), (4386, 59595), (4437, 58910), (4658, 56115), (4930, 53019), (5891, 44370), (6165, 42398), (6235, 41922), (6579, 39730), (6987, 37410), (7310, 35757), (7395, 35346), (7482, 34935), (7946, 32895), (8874, 29455), (10965, 23838), (11223, 23290), (11645, 22446), (11782, 22185), (11919, 21930), (12330, 21199), (12470, 20961), (13158, 19865), (13974, 18705), (14790, 17673)]