68915840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{15383}}^1$

素因数の和:15409

約数の個数: 64

約数和(自身を含む): 188300160

約数和(自身を除く): 119384320

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, 15383, 30766, 61532, 76915, 107681, 123064, 153830, 215362, 246128, 307660, 430724, 492256, 538405, 615320, 861448, 984512, 1076810, 1230640, 1722896, 1969024, 2153620, 2461280, 3445792, 4307240, 4922560, 6891584, 8614480, 9845120, 13783168, 17228960, 34457920, 68915840]

約数ペア:

[(1, 68915840), (2, 34457920), (4, 17228960), (5, 13783168), (7, 9845120), (8, 8614480), (10, 6891584), (14, 4922560), (16, 4307240), (20, 3445792), (28, 2461280), (32, 2153620), (35, 1969024), (40, 1722896), (56, 1230640), (64, 1076810), (70, 984512), (80, 861448), (112, 615320), (128, 538405), (140, 492256), (160, 430724), (224, 307660), (280, 246128), (320, 215362), (448, 153830), (560, 123064), (640, 107681), (896, 76915), (1120, 61532), (2240, 30766), (4480, 15383)]