89242720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11383}}^1$

素因数の和:11412

約数の個数: 72

約数和(自身を含む): 245279664

約数和(自身を除く): 156036944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 11383, 22766, 45532, 56915, 79681, 91064, 113830, 159362, 182128, 227660, 318724, 364256, 398405, 455320, 557767, 637448, 796810, 910640, 1115534, 1274896, 1593620, 1821280, 2231068, 2549792, 2788835, 3187240, 4462136, 5577670, 6374480, 8924272, 11155340, 12748960, 17848544, 22310680, 44621360, 89242720]

約数ペア:

[(1, 89242720), (2, 44621360), (4, 22310680), (5, 17848544), (7, 12748960), (8, 11155340), (10, 8924272), (14, 6374480), (16, 5577670), (20, 4462136), (28, 3187240), (32, 2788835), (35, 2549792), (40, 2231068), (49, 1821280), (56, 1593620), (70, 1274896), (80, 1115534), (98, 910640), (112, 796810), (140, 637448), (160, 557767), (196, 455320), (224, 398405), (245, 364256), (280, 318724), (392, 227660), (490, 182128), (560, 159362), (784, 113830), (980, 91064), (1120, 79681), (1568, 56915), (1960, 45532), (3920, 22766), (7840, 11383)]