16785440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2141}}^1$

素因数の和:2170

約数の個数: 72

約数和(自身を含む): 46151532

約数和(自身を除く): 29366092

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, 2141, 3920, 4282, 7840, 8564, 10705, 14987, 17128, 21410, 29974, 34256, 42820, 59948, 68512, 74935, 85640, 104909, 119896, 149870, 171280, 209818, 239792, 299740, 342560, 419636, 479584, 524545, 599480, 839272, 1049090, 1198960, 1678544, 2098180, 2397920, 3357088, 4196360, 8392720, 16785440]

約数ペア:

[(1, 16785440), (2, 8392720), (4, 4196360), (5, 3357088), (7, 2397920), (8, 2098180), (10, 1678544), (14, 1198960), (16, 1049090), (20, 839272), (28, 599480), (32, 524545), (35, 479584), (40, 419636), (49, 342560), (56, 299740), (70, 239792), (80, 209818), (98, 171280), (112, 149870), (140, 119896), (160, 104909), (196, 85640), (224, 74935), (245, 68512), (280, 59948), (392, 42820), (490, 34256), (560, 29974), (784, 21410), (980, 17128), (1120, 14987), (1568, 10705), (1960, 8564), (2141, 7840), (3920, 4282)]