1880963840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{209929}}^1$

素因数の和:209957

約数の個数: 72

約数和(自身を含む): 5149163040

約数和(自身を除く): 3268199200

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 209929, 419858, 839716, 1049645, 1469503, 1679432, 2099290, 2939006, 3358864, 4198580, 5878012, 6717728, 7347515, 8397160, 11756024, 13435456, 14695030, 16794320, 23512048, 26870912, 29390060, 33588640, 47024096, 53741824, 58780120, 67177280, 94048192, 117560240, 134354560, 188096384, 235120480, 268709120, 376192768, 470240960, 940481920, 1880963840]

約数ペア:

[(1, 1880963840), (2, 940481920), (4, 470240960), (5, 376192768), (7, 268709120), (8, 235120480), (10, 188096384), (14, 134354560), (16, 117560240), (20, 94048192), (28, 67177280), (32, 58780120), (35, 53741824), (40, 47024096), (56, 33588640), (64, 29390060), (70, 26870912), (80, 23512048), (112, 16794320), (128, 14695030), (140, 13435456), (160, 11756024), (224, 8397160), (256, 7347515), (280, 6717728), (320, 5878012), (448, 4198580), (560, 3358864), (640, 2939006), (896, 2099290), (1120, 1679432), (1280, 1469503), (1792, 1049645), (2240, 839716), (4480, 419858), (8960, 209929)]