57421560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 198443520

約数和(自身を除く): 141021960

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, 347, 394, 420, 591, 694, 788, 840, 985, 1041, 1182, 1379, 1388, 1576, 1735, 1970, 2082, 2364, 2429, 2758, 2776, 2955, 3470, 3940, 4137, 4164, 4728, 4858, 5205, 5516, 5910, 6895, 6940, 7287, 7880, 8274, 8328, 9716, 10410, 11032, 11820, 12145, 13790, 13880, 14574, 16548, 19432, 20685, 20820, 23640, 24290, 27580, 29148, 33096, 36435, 41370, 41640, 48580, 55160, 58296, 68359, 72870, 82740, 97160, 136718, 145740, 165480, 205077, 273436, 291480, 341795, 410154, 478513, 546872, 683590, 820308, 957026, 1025385, 1367180, 1435539, 1640616, 1914052, 2050770, 2392565, 2734360, 2871078, 3828104, 4101540, 4785130, 5742156, 7177695, 8203080, 9570260, 11484312, 14355390, 19140520, 28710780, 57421560]

約数ペア:

[(1, 57421560), (2, 28710780), (3, 19140520), (4, 14355390), (5, 11484312), (6, 9570260), (7, 8203080), (8, 7177695), (10, 5742156), (12, 4785130), (14, 4101540), (15, 3828104), (20, 2871078), (21, 2734360), (24, 2392565), (28, 2050770), (30, 1914052), (35, 1640616), (40, 1435539), (42, 1367180), (56, 1025385), (60, 957026), (70, 820308), (84, 683590), (105, 546872), (120, 478513), (140, 410154), (168, 341795), (197, 291480), (210, 273436), (280, 205077), (347, 165480), (394, 145740), (420, 136718), (591, 97160), (694, 82740), (788, 72870), (840, 68359), (985, 58296), (1041, 55160), (1182, 48580), (1379, 41640), (1388, 41370), (1576, 36435), (1735, 33096), (1970, 29148), (2082, 27580), (2364, 24290), (2429, 23640), (2758, 20820), (2776, 20685), (2955, 19432), (3470, 16548), (3940, 14574), (4137, 13880), (4164, 13790), (4728, 12145), (4858, 11820), (5205, 11032), (5516, 10410), (5910, 9716), (6895, 8328), (6940, 8274), (7287, 7880)]