12969880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4211}}^1$

素因数の和:4240

約数の個数: 64

約数和(自身を含む): 36391680

約数和(自身を除く): 23421800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 4211, 8422, 16844, 21055, 29477, 33688, 42110, 46321, 58954, 84220, 92642, 117908, 147385, 168440, 185284, 231605, 235816, 294770, 324247, 370568, 463210, 589540, 648494, 926420, 1179080, 1296988, 1621235, 1852840, 2593976, 3242470, 6484940, 12969880]

約数ペア:

[(1, 12969880), (2, 6484940), (4, 3242470), (5, 2593976), (7, 1852840), (8, 1621235), (10, 1296988), (11, 1179080), (14, 926420), (20, 648494), (22, 589540), (28, 463210), (35, 370568), (40, 324247), (44, 294770), (55, 235816), (56, 231605), (70, 185284), (77, 168440), (88, 147385), (110, 117908), (140, 92642), (154, 84220), (220, 58954), (280, 46321), (308, 42110), (385, 33688), (440, 29477), (616, 21055), (770, 16844), (1540, 8422), (3080, 4211)]