77871780

素因数分解:

$2^2\times 3^6\times 5^1\times 7^2\times {\mathrm{109}}^1$

素因数の和:150

約数の個数: 252

約数和(自身を含む): 287830620

約数和(自身を除く): 209958840

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 109, 126, 135, 140, 147, 162, 180, 189, 196, 210, 218, 243, 245, 252, 270, 294, 315, 324, 327, 378, 405, 420, 436, 441, 486, 490, 540, 545, 567, 588, 630, 654, 729, 735, 756, 763, 810, 882, 945, 972, 980, 981, 1090, 1134, 1215, 1260, 1308, 1323, 1458, 1470, 1526, 1620, 1635, 1701, 1764, 1890, 1962, 2180, 2205, 2268, 2289, 2430, 2646, 2835, 2916, 2940, 2943, 3052, 3270, 3402, 3645, 3780, 3815, 3924, 3969, 4410, 4578, 4860, 4905, 5103, 5292, 5341, 5670, 5886, 6540, 6615, 6804, 6867, 7290, 7630, 7938, 8505, 8820, 8829, 9156, 9810, 10206, 10682, 11340, 11445, 11772, 11907, 13230, 13734, 14580, 14715, 15260, 15876, 16023, 17010, 17658, 19620, 19845, 20412, 20601, 21364, 22890, 23814, 25515, 26460, 26487, 26705, 27468, 29430, 32046, 34020, 34335, 35316, 35721, 39690, 41202, 44145, 45780, 47628, 48069, 51030, 52974, 53410, 58860, 59535, 61803, 64092, 68670, 71442, 79380, 79461, 80115, 82404, 88290, 96138, 102060, 103005, 105948, 106820, 119070, 123606, 132435, 137340, 142884, 144207, 158922, 160230, 176580, 178605, 185409, 192276, 206010, 238140, 240345, 247212, 264870, 288414, 309015, 317844, 320460, 357210, 370818, 397305, 412020, 432621, 480690, 529740, 556227, 576828, 618030, 714420, 721035, 741636, 794610, 865242, 927045, 961380, 1112454, 1236060, 1297863, 1442070, 1589220, 1730484, 1854090, 2163105, 2224908, 2595726, 2781135, 2884140, 3708180, 3893589, 4326210, 5191452, 5562270, 6489315, 7787178, 8652420, 11124540, 12978630, 15574356, 19467945, 25957260, 38935890, 77871780]

約数ペア:

[(1, 77871780), (2, 38935890), (3, 25957260), (4, 19467945), (5, 15574356), (6, 12978630), (7, 11124540), (9, 8652420), (10, 7787178), (12, 6489315), (14, 5562270), (15, 5191452), (18, 4326210), (20, 3893589), (21, 3708180), (27, 2884140), (28, 2781135), (30, 2595726), (35, 2224908), (36, 2163105), (42, 1854090), (45, 1730484), (49, 1589220), (54, 1442070), (60, 1297863), (63, 1236060), (70, 1112454), (81, 961380), (84, 927045), (90, 865242), (98, 794610), (105, 741636), (108, 721035), (109, 714420), (126, 618030), (135, 576828), (140, 556227), (147, 529740), (162, 480690), (180, 432621), (189, 412020), (196, 397305), (210, 370818), (218, 357210), (243, 320460), (245, 317844), (252, 309015), (270, 288414), (294, 264870), (315, 247212), (324, 240345), (327, 238140), (378, 206010), (405, 192276), (420, 185409), (436, 178605), (441, 176580), (486, 160230), (490, 158922), (540, 144207), (545, 142884), (567, 137340), (588, 132435), (630, 123606), (654, 119070), (729, 106820), (735, 105948), (756, 103005), (763, 102060), (810, 96138), (882, 88290), (945, 82404), (972, 80115), (980, 79461), (981, 79380), (1090, 71442), (1134, 68670), (1215, 64092), (1260, 61803), (1308, 59535), (1323, 58860), (1458, 53410), (1470, 52974), (1526, 51030), (1620, 48069), (1635, 47628), (1701, 45780), (1764, 44145), (1890, 41202), (1962, 39690), (2180, 35721), (2205, 35316), (2268, 34335), (2289, 34020), (2430, 32046), (2646, 29430), (2835, 27468), (2916, 26705), (2940, 26487), (2943, 26460), (3052, 25515), (3270, 23814), (3402, 22890), (3645, 21364), (3780, 20601), (3815, 20412), (3924, 19845), (3969, 19620), (4410, 17658), (4578, 17010), (4860, 16023), (4905, 15876), (5103, 15260), (5292, 14715), (5341, 14580), (5670, 13734), (5886, 13230), (6540, 11907), (6615, 11772), (6804, 11445), (6867, 11340), (7290, 10682), (7630, 10206), (7938, 9810), (8505, 9156), (8820, 8829)]