20161844360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{4079}}^1$

素因数の和:4363

約数の個数: 128

約数和(自身を含む): 52641792000

約数和(自身を除く): 32479947640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 139, 140, 254, 278, 280, 508, 556, 635, 695, 889, 973, 1016, 1112, 1270, 1390, 1778, 1946, 2540, 2780, 3556, 3892, 4079, 4445, 4865, 5080, 5560, 7112, 7784, 8158, 8890, 9730, 16316, 17653, 17780, 19460, 20395, 28553, 32632, 35306, 35560, 38920, 40790, 57106, 70612, 81580, 88265, 114212, 123571, 141224, 142765, 163160, 176530, 228424, 247142, 285530, 353060, 494284, 518033, 566981, 571060, 617855, 706120, 988568, 1036066, 1133962, 1142120, 1235710, 2072132, 2267924, 2471420, 2590165, 2834905, 3626231, 3968867, 4144264, 4535848, 4942840, 5180330, 5669810, 7252462, 7937734, 10360660, 11339620, 14504924, 15875468, 18131155, 19844335, 20721320, 22679240, 29009848, 31750936, 36262310, 39688670, 72006587, 72524620, 79377340, 144013174, 145049240, 158754680, 288026348, 360032935, 504046109, 576052696, 720065870, 1008092218, 1440131740, 2016184436, 2520230545, 2880263480, 4032368872, 5040461090, 10080922180, 20161844360]

約数ペア:

[(1, 20161844360), (2, 10080922180), (4, 5040461090), (5, 4032368872), (7, 2880263480), (8, 2520230545), (10, 2016184436), (14, 1440131740), (20, 1008092218), (28, 720065870), (35, 576052696), (40, 504046109), (56, 360032935), (70, 288026348), (127, 158754680), (139, 145049240), (140, 144013174), (254, 79377340), (278, 72524620), (280, 72006587), (508, 39688670), (556, 36262310), (635, 31750936), (695, 29009848), (889, 22679240), (973, 20721320), (1016, 19844335), (1112, 18131155), (1270, 15875468), (1390, 14504924), (1778, 11339620), (1946, 10360660), (2540, 7937734), (2780, 7252462), (3556, 5669810), (3892, 5180330), (4079, 4942840), (4445, 4535848), (4865, 4144264), (5080, 3968867), (5560, 3626231), (7112, 2834905), (7784, 2590165), (8158, 2471420), (8890, 2267924), (9730, 2072132), (16316, 1235710), (17653, 1142120), (17780, 1133962), (19460, 1036066), (20395, 988568), (28553, 706120), (32632, 617855), (35306, 571060), (35560, 566981), (38920, 518033), (40790, 494284), (57106, 353060), (70612, 285530), (81580, 247142), (88265, 228424), (114212, 176530), (123571, 163160), (141224, 142765)]