66402560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{7411}}^1$

素因数の和:7439

約数の個数: 72

約数和(自身を含む): 181801536

約数和(自身を除く): 115398976

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, 7411, 8960, 14822, 29644, 37055, 51877, 59288, 74110, 103754, 118576, 148220, 207508, 237152, 259385, 296440, 415016, 474304, 518770, 592880, 830032, 948608, 1037540, 1185760, 1660064, 1897216, 2075080, 2371520, 3320128, 4150160, 4743040, 6640256, 8300320, 9486080, 13280512, 16600640, 33201280, 66402560]

約数ペア:

[(1, 66402560), (2, 33201280), (4, 16600640), (5, 13280512), (7, 9486080), (8, 8300320), (10, 6640256), (14, 4743040), (16, 4150160), (20, 3320128), (28, 2371520), (32, 2075080), (35, 1897216), (40, 1660064), (56, 1185760), (64, 1037540), (70, 948608), (80, 830032), (112, 592880), (128, 518770), (140, 474304), (160, 415016), (224, 296440), (256, 259385), (280, 237152), (320, 207508), (448, 148220), (560, 118576), (640, 103754), (896, 74110), (1120, 59288), (1280, 51877), (1792, 37055), (2240, 29644), (4480, 14822), (7411, 8960)]