138730480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10771}}^1$

素因数の和:10814

約数の個数: 80

約数和(自身を含む): 384689664

約数和(自身を除く): 245959184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 10771, 12880, 21542, 43084, 53855, 75397, 86168, 107710, 150794, 172336, 215420, 247733, 301588, 376985, 430840, 495466, 603176, 753970, 861680, 990932, 1206352, 1238665, 1507940, 1734131, 1981864, 2477330, 3015880, 3468262, 3963728, 4954660, 6031760, 6936524, 8670655, 9909320, 13873048, 17341310, 19818640, 27746096, 34682620, 69365240, 138730480]

約数ペア:

[(1, 138730480), (2, 69365240), (4, 34682620), (5, 27746096), (7, 19818640), (8, 17341310), (10, 13873048), (14, 9909320), (16, 8670655), (20, 6936524), (23, 6031760), (28, 4954660), (35, 3963728), (40, 3468262), (46, 3015880), (56, 2477330), (70, 1981864), (80, 1734131), (92, 1507940), (112, 1238665), (115, 1206352), (140, 990932), (161, 861680), (184, 753970), (230, 603176), (280, 495466), (322, 430840), (368, 376985), (460, 301588), (560, 247733), (644, 215420), (805, 172336), (920, 150794), (1288, 107710), (1610, 86168), (1840, 75397), (2576, 53855), (3220, 43084), (6440, 21542), (10771, 12880)]