72440180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3769}}^1$

素因数の和:3840

約数の個数: 36

約数和(自身を含む): 157231620

約数和(自身を除く): 84791440

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3769, 3844, 4805, 7538, 9610, 15076, 18845, 19220, 37690, 75380, 116839, 233678, 467356, 584195, 1168390, 2336780, 3622009, 7244018, 14488036, 18110045, 36220090, 72440180]

約数ペア:

[(1, 72440180), (2, 36220090), (4, 18110045), (5, 14488036), (10, 7244018), (20, 3622009), (31, 2336780), (62, 1168390), (124, 584195), (155, 467356), (310, 233678), (620, 116839), (961, 75380), (1922, 37690), (3769, 19220), (3844, 18845), (4805, 15076), (7538, 9610)]