15678940180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{399769}}^1$

素因数の和:399868

約数の個数: 48

約数和(自身を含む): 34453777680

約数和(自身を除く): 18774837500

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 740, 1060, 1961, 3922, 7844, 9805, 19610, 39220, 399769, 799538, 1599076, 1998845, 3997690, 7995380, 14791453, 21187757, 29582906, 42375514, 59165812, 73957265, 84751028, 105938785, 147914530, 211877570, 295829060, 423755140, 783947009, 1567894018, 3135788036, 3919735045, 7839470090, 15678940180]

約数ペア:

[(1, 15678940180), (2, 7839470090), (4, 3919735045), (5, 3135788036), (10, 1567894018), (20, 783947009), (37, 423755140), (53, 295829060), (74, 211877570), (106, 147914530), (148, 105938785), (185, 84751028), (212, 73957265), (265, 59165812), (370, 42375514), (530, 29582906), (740, 21187757), (1060, 14791453), (1961, 7995380), (3922, 3997690), (7844, 1998845), (9805, 1599076), (19610, 799538), (39220, 399769)]