212310840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1283}}^1$

素因数の和:1501

約数の個数: 128

約数和(自身を含む): 732188160

約数和(自身を除く): 519877320

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, 840, 985, 1182, 1283, 1379, 1576, 1970, 2364, 2566, 2758, 2955, 3849, 3940, 4137, 4728, 5132, 5516, 5910, 6415, 6895, 7698, 7880, 8274, 8981, 10264, 11032, 11820, 12830, 13790, 15396, 16548, 17962, 19245, 20685, 23640, 25660, 26943, 27580, 30792, 33096, 35924, 38490, 41370, 44905, 51320, 53886, 55160, 71848, 76980, 82740, 89810, 107772, 134715, 153960, 165480, 179620, 215544, 252751, 269430, 359240, 505502, 538860, 758253, 1011004, 1077720, 1263755, 1516506, 1769257, 2022008, 2527510, 3033012, 3538514, 3791265, 5055020, 5307771, 6066024, 7077028, 7582530, 8846285, 10110040, 10615542, 14154056, 15165060, 17692570, 21231084, 26538855, 30330120, 35385140, 42462168, 53077710, 70770280, 106155420, 212310840]

約数ペア:

[(1, 212310840), (2, 106155420), (3, 70770280), (4, 53077710), (5, 42462168), (6, 35385140), (7, 30330120), (8, 26538855), (10, 21231084), (12, 17692570), (14, 15165060), (15, 14154056), (20, 10615542), (21, 10110040), (24, 8846285), (28, 7582530), (30, 7077028), (35, 6066024), (40, 5307771), (42, 5055020), (56, 3791265), (60, 3538514), (70, 3033012), (84, 2527510), (105, 2022008), (120, 1769257), (140, 1516506), (168, 1263755), (197, 1077720), (210, 1011004), (280, 758253), (394, 538860), (420, 505502), (591, 359240), (788, 269430), (840, 252751), (985, 215544), (1182, 179620), (1283, 165480), (1379, 153960), (1576, 134715), (1970, 107772), (2364, 89810), (2566, 82740), (2758, 76980), (2955, 71848), (3849, 55160), (3940, 53886), (4137, 51320), (4728, 44905), (5132, 41370), (5516, 38490), (5910, 35924), (6415, 33096), (6895, 30792), (7698, 27580), (7880, 26943), (8274, 25660), (8981, 23640), (10264, 20685), (11032, 19245), (11820, 17962), (12830, 16548), (13790, 15396)]