180406240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23011}}^1$

素因数の和:23040

約数の個数: 72

約数和(自身を含む): 495816552

約数和(自身を除く): 315410312

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, 23011, 46022, 92044, 115055, 161077, 184088, 230110, 322154, 368176, 460220, 644308, 736352, 805385, 920440, 1127539, 1288616, 1610770, 1840880, 2255078, 2577232, 3221540, 3681760, 4510156, 5154464, 5637695, 6443080, 9020312, 11275390, 12886160, 18040624, 22550780, 25772320, 36081248, 45101560, 90203120, 180406240]

約数ペア:

[(1, 180406240), (2, 90203120), (4, 45101560), (5, 36081248), (7, 25772320), (8, 22550780), (10, 18040624), (14, 12886160), (16, 11275390), (20, 9020312), (28, 6443080), (32, 5637695), (35, 5154464), (40, 4510156), (49, 3681760), (56, 3221540), (70, 2577232), (80, 2255078), (98, 1840880), (112, 1610770), (140, 1288616), (160, 1127539), (196, 920440), (224, 805385), (245, 736352), (280, 644308), (392, 460220), (490, 368176), (560, 322154), (784, 230110), (980, 184088), (1120, 161077), (1568, 115055), (1960, 92044), (3920, 46022), (7840, 23011)]