78386940

素因数分解:

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

素因数の和:278

約数の個数: 108

約数和(自身を含む): 248537016

約数和(自身を除く): 170150076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 127, 135, 162, 180, 243, 254, 270, 324, 381, 405, 486, 508, 540, 635, 762, 810, 972, 1143, 1215, 1270, 1524, 1620, 1905, 2286, 2430, 2540, 3429, 3810, 4572, 4860, 5715, 6858, 7620, 10287, 11430, 13716, 16129, 17145, 20574, 22860, 30861, 32258, 34290, 41148, 48387, 51435, 61722, 64516, 68580, 80645, 96774, 102870, 123444, 145161, 154305, 161290, 193548, 205740, 241935, 290322, 308610, 322580, 435483, 483870, 580644, 617220, 725805, 870966, 967740, 1306449, 1451610, 1741932, 2177415, 2612898, 2903220, 3919347, 4354830, 5225796, 6532245, 7838694, 8709660, 13064490, 15677388, 19596735, 26128980, 39193470, 78386940]

約数ペア:

[(1, 78386940), (2, 39193470), (3, 26128980), (4, 19596735), (5, 15677388), (6, 13064490), (9, 8709660), (10, 7838694), (12, 6532245), (15, 5225796), (18, 4354830), (20, 3919347), (27, 2903220), (30, 2612898), (36, 2177415), (45, 1741932), (54, 1451610), (60, 1306449), (81, 967740), (90, 870966), (108, 725805), (127, 617220), (135, 580644), (162, 483870), (180, 435483), (243, 322580), (254, 308610), (270, 290322), (324, 241935), (381, 205740), (405, 193548), (486, 161290), (508, 154305), (540, 145161), (635, 123444), (762, 102870), (810, 96774), (972, 80645), (1143, 68580), (1215, 64516), (1270, 61722), (1524, 51435), (1620, 48387), (1905, 41148), (2286, 34290), (2430, 32258), (2540, 30861), (3429, 22860), (3810, 20574), (4572, 17145), (4860, 16129), (5715, 13716), (6858, 11430), (7620, 10287)]