71968140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:872

約数の個数: 144

約数和(自身を含む): 239410080

約数和(自身を除く): 167441940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 811, 870, 986, 1020, 1044, 1305, 1479, 1530, 1622, 1740, 1972, 2433, 2465, 2610, 2958, 3060, 3244, 4055, 4437, 4866, 4930, 5220, 5916, 7299, 7395, 8110, 8874, 9732, 9860, 12165, 13787, 14598, 14790, 16220, 17748, 22185, 23519, 24330, 27574, 29196, 29580, 36495, 41361, 44370, 47038, 48660, 55148, 68935, 70557, 72990, 82722, 88740, 94076, 117595, 124083, 137870, 141114, 145980, 165444, 206805, 211671, 235190, 248166, 275740, 282228, 352785, 399823, 413610, 423342, 470380, 496332, 620415, 705570, 799646, 827220, 846684, 1058355, 1199469, 1240830, 1411140, 1599292, 1999115, 2116710, 2398938, 2481660, 3598407, 3998230, 4233420, 4797876, 5997345, 7196814, 7996460, 11994690, 14393628, 17992035, 23989380, 35984070, 71968140]

約数ペア:

[(1, 71968140), (2, 35984070), (3, 23989380), (4, 17992035), (5, 14393628), (6, 11994690), (9, 7996460), (10, 7196814), (12, 5997345), (15, 4797876), (17, 4233420), (18, 3998230), (20, 3598407), (29, 2481660), (30, 2398938), (34, 2116710), (36, 1999115), (45, 1599292), (51, 1411140), (58, 1240830), (60, 1199469), (68, 1058355), (85, 846684), (87, 827220), (90, 799646), (102, 705570), (116, 620415), (145, 496332), (153, 470380), (170, 423342), (174, 413610), (180, 399823), (204, 352785), (255, 282228), (261, 275740), (290, 248166), (306, 235190), (340, 211671), (348, 206805), (435, 165444), (493, 145980), (510, 141114), (522, 137870), (580, 124083), (612, 117595), (765, 94076), (811, 88740), (870, 82722), (986, 72990), (1020, 70557), (1044, 68935), (1305, 55148), (1479, 48660), (1530, 47038), (1622, 44370), (1740, 41361), (1972, 36495), (2433, 29580), (2465, 29196), (2610, 27574), (2958, 24330), (3060, 23519), (3244, 22185), (4055, 17748), (4437, 16220), (4866, 14790), (4930, 14598), (5220, 13787), (5916, 12165), (7299, 9860), (7395, 9732), (8110, 8874)]