17879120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4561}}^1$

素因数の和:4588

約数の個数: 60

約数和(自身を含む): 48366324

約数和(自身を除く): 30487204

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4561, 9122, 18244, 22805, 31927, 36488, 45610, 63854, 72976, 91220, 127708, 159635, 182440, 223489, 255416, 319270, 364880, 446978, 510832, 638540, 893956, 1117445, 1277080, 1787912, 2234890, 2554160, 3575824, 4469780, 8939560, 17879120]

約数ペア:

[(1, 17879120), (2, 8939560), (4, 4469780), (5, 3575824), (7, 2554160), (8, 2234890), (10, 1787912), (14, 1277080), (16, 1117445), (20, 893956), (28, 638540), (35, 510832), (40, 446978), (49, 364880), (56, 319270), (70, 255416), (80, 223489), (98, 182440), (112, 159635), (140, 127708), (196, 91220), (245, 72976), (280, 63854), (392, 45610), (490, 36488), (560, 31927), (784, 22805), (980, 18244), (1960, 9122), (3920, 4561)]