138837720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{839}}^1$

素因数の和:1057

約数の個数: 128

約数和(自身を含む): 479001600

約数和(自身を除く): 340163880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 788, 839, 840, 985, 1182, 1379, 1576, 1678, 1970, 2364, 2517, 2758, 2955, 3356, 3940, 4137, 4195, 4728, 5034, 5516, 5873, 5910, 6712, 6895, 7880, 8274, 8390, 10068, 11032, 11746, 11820, 12585, 13790, 16548, 16780, 17619, 20136, 20685, 23492, 23640, 25170, 27580, 29365, 33096, 33560, 35238, 41370, 46984, 50340, 55160, 58730, 70476, 82740, 88095, 100680, 117460, 140952, 165283, 165480, 176190, 234920, 330566, 352380, 495849, 661132, 704760, 826415, 991698, 1156981, 1322264, 1652830, 1983396, 2313962, 2479245, 3305660, 3470943, 3966792, 4627924, 4958490, 5784905, 6611320, 6941886, 9255848, 9916980, 11569810, 13883772, 17354715, 19833960, 23139620, 27767544, 34709430, 46279240, 69418860, 138837720]

約数ペア:

[(1, 138837720), (2, 69418860), (3, 46279240), (4, 34709430), (5, 27767544), (6, 23139620), (7, 19833960), (8, 17354715), (10, 13883772), (12, 11569810), (14, 9916980), (15, 9255848), (20, 6941886), (21, 6611320), (24, 5784905), (28, 4958490), (30, 4627924), (35, 3966792), (40, 3470943), (42, 3305660), (56, 2479245), (60, 2313962), (70, 1983396), (84, 1652830), (105, 1322264), (120, 1156981), (140, 991698), (168, 826415), (197, 704760), (210, 661132), (280, 495849), (394, 352380), (420, 330566), (591, 234920), (788, 176190), (839, 165480), (840, 165283), (985, 140952), (1182, 117460), (1379, 100680), (1576, 88095), (1678, 82740), (1970, 70476), (2364, 58730), (2517, 55160), (2758, 50340), (2955, 46984), (3356, 41370), (3940, 35238), (4137, 33560), (4195, 33096), (4728, 29365), (5034, 27580), (5516, 25170), (5873, 23640), (5910, 23492), (6712, 20685), (6895, 20136), (7880, 17619), (8274, 16780), (8390, 16548), (10068, 13790), (11032, 12585), (11746, 11820)]