51438420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 172815552

約数和(自身を除く): 121377132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 83, 90, 99, 110, 132, 165, 166, 180, 198, 220, 249, 313, 330, 332, 396, 415, 495, 498, 626, 660, 747, 830, 913, 939, 990, 996, 1245, 1252, 1494, 1565, 1660, 1826, 1878, 1980, 2490, 2739, 2817, 2988, 3130, 3443, 3652, 3735, 3756, 4565, 4695, 4980, 5478, 5634, 6260, 6886, 7470, 8217, 9130, 9390, 10329, 10956, 11268, 13695, 13772, 14085, 14940, 16434, 17215, 18260, 18780, 20658, 25979, 27390, 28170, 30987, 32868, 34430, 41085, 41316, 51645, 51958, 54780, 56340, 61974, 68860, 77937, 82170, 103290, 103916, 123948, 129895, 154935, 155874, 164340, 206580, 233811, 259790, 285769, 309870, 311748, 389685, 467622, 519580, 571538, 619740, 779370, 857307, 935244, 1143076, 1169055, 1428845, 1558740, 1714614, 2338110, 2571921, 2857690, 3429228, 4286535, 4676220, 5143842, 5715380, 8573070, 10287684, 12859605, 17146140, 25719210, 51438420]

約数ペア:

[(1, 51438420), (2, 25719210), (3, 17146140), (4, 12859605), (5, 10287684), (6, 8573070), (9, 5715380), (10, 5143842), (11, 4676220), (12, 4286535), (15, 3429228), (18, 2857690), (20, 2571921), (22, 2338110), (30, 1714614), (33, 1558740), (36, 1428845), (44, 1169055), (45, 1143076), (55, 935244), (60, 857307), (66, 779370), (83, 619740), (90, 571538), (99, 519580), (110, 467622), (132, 389685), (165, 311748), (166, 309870), (180, 285769), (198, 259790), (220, 233811), (249, 206580), (313, 164340), (330, 155874), (332, 154935), (396, 129895), (415, 123948), (495, 103916), (498, 103290), (626, 82170), (660, 77937), (747, 68860), (830, 61974), (913, 56340), (939, 54780), (990, 51958), (996, 51645), (1245, 41316), (1252, 41085), (1494, 34430), (1565, 32868), (1660, 30987), (1826, 28170), (1878, 27390), (1980, 25979), (2490, 20658), (2739, 18780), (2817, 18260), (2988, 17215), (3130, 16434), (3443, 14940), (3652, 14085), (3735, 13772), (3756, 13695), (4565, 11268), (4695, 10956), (4980, 10329), (5478, 9390), (5634, 9130), (6260, 8217), (6886, 7470)]