1721580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4099}}^1$

素因数の和:4118

約数の個数: 48

約数和(自身を含む): 5510400

約数和(自身を除く): 3788820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4099, 8198, 12297, 16396, 20495, 24594, 28693, 40990, 49188, 57386, 61485, 81980, 86079, 114772, 122970, 143465, 172158, 245940, 286930, 344316, 430395, 573860, 860790, 1721580]

約数ペア:

[(1, 1721580), (2, 860790), (3, 573860), (4, 430395), (5, 344316), (6, 286930), (7, 245940), (10, 172158), (12, 143465), (14, 122970), (15, 114772), (20, 86079), (21, 81980), (28, 61485), (30, 57386), (35, 49188), (42, 40990), (60, 28693), (70, 24594), (84, 20495), (105, 16396), (140, 12297), (210, 8198), (420, 4099)]