128690370

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 112

約数和(自身を含む): 352558080

約数和(自身を除く): 223867710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 127, 135, 139, 162, 243, 254, 270, 278, 381, 405, 417, 486, 635, 695, 729, 762, 810, 834, 1143, 1215, 1251, 1270, 1390, 1458, 1905, 2085, 2286, 2430, 2502, 3429, 3645, 3753, 3810, 4170, 5715, 6255, 6858, 7290, 7506, 10287, 11259, 11430, 12510, 17145, 17653, 18765, 20574, 22518, 30861, 33777, 34290, 35306, 37530, 51435, 52959, 56295, 61722, 67554, 88265, 92583, 101331, 102870, 105918, 112590, 154305, 158877, 168885, 176530, 185166, 202662, 264795, 308610, 317754, 337770, 462915, 476631, 506655, 529590, 794385, 925830, 953262, 1013310, 1429893, 1588770, 2383155, 2859786, 4289679, 4766310, 7149465, 8579358, 12869037, 14298930, 21448395, 25738074, 42896790, 64345185, 128690370]

約数ペア:

[(1, 128690370), (2, 64345185), (3, 42896790), (5, 25738074), (6, 21448395), (9, 14298930), (10, 12869037), (15, 8579358), (18, 7149465), (27, 4766310), (30, 4289679), (45, 2859786), (54, 2383155), (81, 1588770), (90, 1429893), (127, 1013310), (135, 953262), (139, 925830), (162, 794385), (243, 529590), (254, 506655), (270, 476631), (278, 462915), (381, 337770), (405, 317754), (417, 308610), (486, 264795), (635, 202662), (695, 185166), (729, 176530), (762, 168885), (810, 158877), (834, 154305), (1143, 112590), (1215, 105918), (1251, 102870), (1270, 101331), (1390, 92583), (1458, 88265), (1905, 67554), (2085, 61722), (2286, 56295), (2430, 52959), (2502, 51435), (3429, 37530), (3645, 35306), (3753, 34290), (3810, 33777), (4170, 30861), (5715, 22518), (6255, 20574), (6858, 18765), (7290, 17653), (7506, 17145), (10287, 12510), (11259, 11430)]