1893982720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{105691}}^1$

素因数の和:105721

約数の個数: 80

約数和(自身を含む): 5189899968

約数和(自身を除く): 3295917248

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, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 105691, 211382, 422764, 528455, 739837, 845528, 1056910, 1479674, 1691056, 2113820, 2959348, 3382112, 3699185, 4227640, 5918696, 6764224, 7398370, 8455280, 11837392, 13528448, 14796740, 16910560, 23674784, 27056896, 29593480, 33821120, 47349568, 54113792, 59186960, 67642240, 94699136, 118373920, 135284480, 189398272, 236747840, 270568960, 378796544, 473495680, 946991360, 1893982720]

約数ペア:

[(1, 1893982720), (2, 946991360), (4, 473495680), (5, 378796544), (7, 270568960), (8, 236747840), (10, 189398272), (14, 135284480), (16, 118373920), (20, 94699136), (28, 67642240), (32, 59186960), (35, 54113792), (40, 47349568), (56, 33821120), (64, 29593480), (70, 27056896), (80, 23674784), (112, 16910560), (128, 14796740), (140, 13528448), (160, 11837392), (224, 8455280), (256, 7398370), (280, 6764224), (320, 5918696), (448, 4227640), (512, 3699185), (560, 3382112), (640, 2959348), (896, 2113820), (1120, 1691056), (1280, 1479674), (1792, 1056910), (2240, 845528), (2560, 739837), (3584, 528455), (4480, 422764), (8960, 211382), (17920, 105691)]