40845420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:461

約数の個数: 216

約数和(自身を含む): 157601808

約数和(自身を除く): 116756388

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, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 196, 198, 210, 220, 231, 245, 252, 294, 308, 315, 330, 385, 396, 420, 421, 441, 462, 490, 495, 539, 588, 630, 660, 693, 735, 770, 842, 882, 924, 980, 990, 1078, 1155, 1260, 1263, 1386, 1470, 1540, 1617, 1684, 1764, 1980, 2105, 2156, 2205, 2310, 2526, 2695, 2772, 2940, 2947, 3234, 3465, 3789, 4210, 4410, 4620, 4631, 4851, 5052, 5390, 5894, 6315, 6468, 6930, 7578, 8085, 8420, 8820, 8841, 9262, 9702, 10780, 11788, 12630, 13860, 13893, 14735, 15156, 16170, 17682, 18524, 18945, 19404, 20629, 23155, 24255, 25260, 26523, 27786, 29470, 32340, 32417, 35364, 37890, 41258, 41679, 44205, 46310, 48510, 53046, 55572, 58940, 61887, 64834, 69465, 75780, 82516, 83358, 88410, 92620, 97020, 97251, 103145, 106092, 123774, 129668, 132615, 138930, 162085, 166716, 176820, 185661, 194502, 206290, 208395, 226919, 247548, 265230, 277860, 291753, 309435, 324170, 371322, 389004, 412580, 416790, 453838, 486255, 530460, 583506, 618870, 648340, 680757, 742644, 833580, 907676, 928305, 972510, 1134595, 1167012, 1237740, 1361514, 1458765, 1856610, 1945020, 2042271, 2269190, 2723028, 2917530, 3403785, 3713220, 4084542, 4538380, 5835060, 6807570, 8169084, 10211355, 13615140, 20422710, 40845420]

約数ペア:

[(1, 40845420), (2, 20422710), (3, 13615140), (4, 10211355), (5, 8169084), (6, 6807570), (7, 5835060), (9, 4538380), (10, 4084542), (11, 3713220), (12, 3403785), (14, 2917530), (15, 2723028), (18, 2269190), (20, 2042271), (21, 1945020), (22, 1856610), (28, 1458765), (30, 1361514), (33, 1237740), (35, 1167012), (36, 1134595), (42, 972510), (44, 928305), (45, 907676), (49, 833580), (55, 742644), (60, 680757), (63, 648340), (66, 618870), (70, 583506), (77, 530460), (84, 486255), (90, 453838), (98, 416790), (99, 412580), (105, 389004), (110, 371322), (126, 324170), (132, 309435), (140, 291753), (147, 277860), (154, 265230), (165, 247548), (180, 226919), (196, 208395), (198, 206290), (210, 194502), (220, 185661), (231, 176820), (245, 166716), (252, 162085), (294, 138930), (308, 132615), (315, 129668), (330, 123774), (385, 106092), (396, 103145), (420, 97251), (421, 97020), (441, 92620), (462, 88410), (490, 83358), (495, 82516), (539, 75780), (588, 69465), (630, 64834), (660, 61887), (693, 58940), (735, 55572), (770, 53046), (842, 48510), (882, 46310), (924, 44205), (980, 41679), (990, 41258), (1078, 37890), (1155, 35364), (1260, 32417), (1263, 32340), (1386, 29470), (1470, 27786), (1540, 26523), (1617, 25260), (1684, 24255), (1764, 23155), (1980, 20629), (2105, 19404), (2156, 18945), (2205, 18524), (2310, 17682), (2526, 16170), (2695, 15156), (2772, 14735), (2940, 13893), (2947, 13860), (3234, 12630), (3465, 11788), (3789, 10780), (4210, 9702), (4410, 9262), (4620, 8841), (4631, 8820), (4851, 8420), (5052, 8085), (5390, 7578), (5894, 6930), (6315, 6468)]