123070640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19979}}^1$

素因数の和:20010

約数の個数: 80

約数和(自身を含む): 356762880

約数和(自身を除く): 233692240

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, 3080, 6160, 19979, 39958, 79916, 99895, 139853, 159832, 199790, 219769, 279706, 319664, 399580, 439538, 559412, 699265, 799160, 879076, 1098845, 1118824, 1398530, 1538383, 1598320, 1758152, 2197690, 2237648, 2797060, 3076766, 3516304, 4395380, 5594120, 6153532, 7691915, 8790760, 11188240, 12307064, 15383830, 17581520, 24614128, 30767660, 61535320, 123070640]

約数ペア:

[(1, 123070640), (2, 61535320), (4, 30767660), (5, 24614128), (7, 17581520), (8, 15383830), (10, 12307064), (11, 11188240), (14, 8790760), (16, 7691915), (20, 6153532), (22, 5594120), (28, 4395380), (35, 3516304), (40, 3076766), (44, 2797060), (55, 2237648), (56, 2197690), (70, 1758152), (77, 1598320), (80, 1538383), (88, 1398530), (110, 1118824), (112, 1098845), (140, 879076), (154, 799160), (176, 699265), (220, 559412), (280, 439538), (308, 399580), (385, 319664), (440, 279706), (560, 219769), (616, 199790), (770, 159832), (880, 139853), (1232, 99895), (1540, 79916), (3080, 39958), (6160, 19979)]