90640480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{80929}}^1$

素因数の和:80951

約数の個数: 48

約数和(自身を含む): 244732320

約数和(自身を除く): 154091840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 80929, 161858, 323716, 404645, 566503, 647432, 809290, 1133006, 1294864, 1618580, 2266012, 2589728, 2832515, 3237160, 4532024, 5665030, 6474320, 9064048, 11330060, 12948640, 18128096, 22660120, 45320240, 90640480]

約数ペア:

[(1, 90640480), (2, 45320240), (4, 22660120), (5, 18128096), (7, 12948640), (8, 11330060), (10, 9064048), (14, 6474320), (16, 5665030), (20, 4532024), (28, 3237160), (32, 2832515), (35, 2589728), (40, 2266012), (56, 1618580), (70, 1294864), (80, 1133006), (112, 809290), (140, 647432), (160, 566503), (224, 404645), (280, 323716), (560, 161858), (1120, 80929)]