12868240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2089}}^1$

素因数の和:2120

約数の個数: 80

約数和(自身を含む): 37319040

約数和(自身を除く): 24450800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 2089, 3080, 4178, 6160, 8356, 10445, 14623, 16712, 20890, 22979, 29246, 33424, 41780, 45958, 58492, 73115, 83560, 91916, 114895, 116984, 146230, 160853, 167120, 183832, 229790, 233968, 292460, 321706, 367664, 459580, 584920, 643412, 804265, 919160, 1169840, 1286824, 1608530, 1838320, 2573648, 3217060, 6434120, 12868240]

約数ペア:

[(1, 12868240), (2, 6434120), (4, 3217060), (5, 2573648), (7, 1838320), (8, 1608530), (10, 1286824), (11, 1169840), (14, 919160), (16, 804265), (20, 643412), (22, 584920), (28, 459580), (35, 367664), (40, 321706), (44, 292460), (55, 233968), (56, 229790), (70, 183832), (77, 167120), (80, 160853), (88, 146230), (110, 116984), (112, 114895), (140, 91916), (154, 83560), (176, 73115), (220, 58492), (280, 45958), (308, 41780), (385, 33424), (440, 29246), (560, 22979), (616, 20890), (770, 16712), (880, 14623), (1232, 10445), (1540, 8356), (2089, 6160), (3080, 4178)]