139287680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31091}}^1$

素因数の和:31117

約数の個数: 64

約数和(自身を含む): 380566080

約数和(自身を除く): 241278400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 31091, 62182, 124364, 155455, 217637, 248728, 310910, 435274, 497456, 621820, 870548, 994912, 1088185, 1243640, 1741096, 1989824, 2176370, 2487280, 3482192, 3979648, 4352740, 4974560, 6964384, 8705480, 9949120, 13928768, 17410960, 19898240, 27857536, 34821920, 69643840, 139287680]

約数ペア:

[(1, 139287680), (2, 69643840), (4, 34821920), (5, 27857536), (7, 19898240), (8, 17410960), (10, 13928768), (14, 9949120), (16, 8705480), (20, 6964384), (28, 4974560), (32, 4352740), (35, 3979648), (40, 3482192), (56, 2487280), (64, 2176370), (70, 1989824), (80, 1741096), (112, 1243640), (128, 1088185), (140, 994912), (160, 870548), (224, 621820), (280, 497456), (320, 435274), (448, 310910), (560, 248728), (640, 217637), (896, 155455), (1120, 124364), (2240, 62182), (4480, 31091)]