201921660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{124643}}^1$

素因数の和:124664

約数の個数: 60

約数和(自身を含む): 633440808

約数和(自身を除く): 431519148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 124643, 249286, 373929, 498572, 623215, 747858, 1121787, 1246430, 1495716, 1869645, 2243574, 2492860, 3365361, 3739290, 4487148, 5608935, 6730722, 7478580, 10096083, 11217870, 13461444, 16826805, 20192166, 22435740, 33653610, 40384332, 50480415, 67307220, 100960830, 201921660]

約数ペア:

[(1, 201921660), (2, 100960830), (3, 67307220), (4, 50480415), (5, 40384332), (6, 33653610), (9, 22435740), (10, 20192166), (12, 16826805), (15, 13461444), (18, 11217870), (20, 10096083), (27, 7478580), (30, 6730722), (36, 5608935), (45, 4487148), (54, 3739290), (60, 3365361), (81, 2492860), (90, 2243574), (108, 1869645), (135, 1495716), (162, 1246430), (180, 1121787), (270, 747858), (324, 623215), (405, 498572), (540, 373929), (810, 249286), (1620, 124643)]