68454540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{449}}^1$

素因数の和:493

約数の個数: 216

約数和(自身を含む): 261424800

約数和(自身を除く): 192970260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 308, 315, 330, 363, 385, 396, 420, 449, 462, 484, 495, 605, 630, 660, 693, 726, 770, 847, 898, 924, 990, 1089, 1155, 1210, 1260, 1347, 1386, 1452, 1540, 1694, 1796, 1815, 1980, 2178, 2245, 2310, 2420, 2541, 2694, 2772, 3143, 3388, 3465, 3630, 4041, 4235, 4356, 4490, 4620, 4939, 5082, 5388, 5445, 6286, 6735, 6930, 7260, 7623, 8082, 8470, 8980, 9429, 9878, 10164, 10890, 12572, 12705, 13470, 13860, 14817, 15246, 15715, 16164, 16940, 18858, 19756, 20205, 21780, 24695, 25410, 26940, 28287, 29634, 30492, 31430, 34573, 37716, 38115, 40410, 44451, 47145, 49390, 50820, 54329, 56574, 59268, 62860, 69146, 74085, 76230, 80820, 88902, 94290, 98780, 103719, 108658, 113148, 138292, 141435, 148170, 152460, 162987, 172865, 177804, 188580, 207438, 217316, 222255, 271645, 282870, 296340, 311157, 325974, 345730, 380303, 414876, 444510, 488961, 518595, 543290, 565740, 622314, 651948, 691460, 760606, 814935, 889020, 977922, 1037190, 1086580, 1140909, 1244628, 1521212, 1555785, 1629870, 1901515, 1955844, 2074380, 2281818, 2444805, 3111570, 3259740, 3422727, 3803030, 4563636, 4889610, 5704545, 6223140, 6845454, 7606060, 9779220, 11409090, 13690908, 17113635, 22818180, 34227270, 68454540]

約数ペア:

[(1, 68454540), (2, 34227270), (3, 22818180), (4, 17113635), (5, 13690908), (6, 11409090), (7, 9779220), (9, 7606060), (10, 6845454), (11, 6223140), (12, 5704545), (14, 4889610), (15, 4563636), (18, 3803030), (20, 3422727), (21, 3259740), (22, 3111570), (28, 2444805), (30, 2281818), (33, 2074380), (35, 1955844), (36, 1901515), (42, 1629870), (44, 1555785), (45, 1521212), (55, 1244628), (60, 1140909), (63, 1086580), (66, 1037190), (70, 977922), (77, 889020), (84, 814935), (90, 760606), (99, 691460), (105, 651948), (110, 622314), (121, 565740), (126, 543290), (132, 518595), (140, 488961), (154, 444510), (165, 414876), (180, 380303), (198, 345730), (210, 325974), (220, 311157), (231, 296340), (242, 282870), (252, 271645), (308, 222255), (315, 217316), (330, 207438), (363, 188580), (385, 177804), (396, 172865), (420, 162987), (449, 152460), (462, 148170), (484, 141435), (495, 138292), (605, 113148), (630, 108658), (660, 103719), (693, 98780), (726, 94290), (770, 88902), (847, 80820), (898, 76230), (924, 74085), (990, 69146), (1089, 62860), (1155, 59268), (1210, 56574), (1260, 54329), (1347, 50820), (1386, 49390), (1452, 47145), (1540, 44451), (1694, 40410), (1796, 38115), (1815, 37716), (1980, 34573), (2178, 31430), (2245, 30492), (2310, 29634), (2420, 28287), (2541, 26940), (2694, 25410), (2772, 24695), (3143, 21780), (3388, 20205), (3465, 19756), (3630, 18858), (4041, 16940), (4235, 16164), (4356, 15715), (4490, 15246), (4620, 14817), (4939, 13860), (5082, 13470), (5388, 12705), (5445, 12572), (6286, 10890), (6735, 10164), (6930, 9878), (7260, 9429), (7623, 8980), (8082, 8470)]