31937640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 110626560

約数和(自身を除く): 78688920

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, 193, 197, 210, 280, 386, 394, 420, 579, 591, 772, 788, 840, 965, 985, 1158, 1182, 1351, 1379, 1544, 1576, 1930, 1970, 2316, 2364, 2702, 2758, 2895, 2955, 3860, 3940, 4053, 4137, 4632, 4728, 5404, 5516, 5790, 5910, 6755, 6895, 7720, 7880, 8106, 8274, 10808, 11032, 11580, 11820, 13510, 13790, 16212, 16548, 20265, 20685, 23160, 23640, 27020, 27580, 32424, 33096, 38021, 40530, 41370, 54040, 55160, 76042, 81060, 82740, 114063, 152084, 162120, 165480, 190105, 228126, 266147, 304168, 380210, 456252, 532294, 570315, 760420, 798441, 912504, 1064588, 1140630, 1330735, 1520840, 1596882, 2129176, 2281260, 2661470, 3193764, 3992205, 4562520, 5322940, 6387528, 7984410, 10645880, 15968820, 31937640]

約数ペア:

[(1, 31937640), (2, 15968820), (3, 10645880), (4, 7984410), (5, 6387528), (6, 5322940), (7, 4562520), (8, 3992205), (10, 3193764), (12, 2661470), (14, 2281260), (15, 2129176), (20, 1596882), (21, 1520840), (24, 1330735), (28, 1140630), (30, 1064588), (35, 912504), (40, 798441), (42, 760420), (56, 570315), (60, 532294), (70, 456252), (84, 380210), (105, 304168), (120, 266147), (140, 228126), (168, 190105), (193, 165480), (197, 162120), (210, 152084), (280, 114063), (386, 82740), (394, 81060), (420, 76042), (579, 55160), (591, 54040), (772, 41370), (788, 40530), (840, 38021), (965, 33096), (985, 32424), (1158, 27580), (1182, 27020), (1351, 23640), (1379, 23160), (1544, 20685), (1576, 20265), (1930, 16548), (1970, 16212), (2316, 13790), (2364, 13510), (2702, 11820), (2758, 11580), (2895, 11032), (2955, 10808), (3860, 8274), (3940, 8106), (4053, 7880), (4137, 7720), (4632, 6895), (4728, 6755), (5404, 5910), (5516, 5790)]