15262780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 35280000

約数和(自身を除く): 20017220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 1249, 2444, 2498, 3055, 4996, 6110, 6245, 12220, 12490, 16237, 24980, 32474, 58703, 64948, 81185, 117406, 162370, 234812, 293515, 324740, 587030, 763139, 1174060, 1526278, 3052556, 3815695, 7631390, 15262780]

約数ペア:

[(1, 15262780), (2, 7631390), (4, 3815695), (5, 3052556), (10, 1526278), (13, 1174060), (20, 763139), (26, 587030), (47, 324740), (52, 293515), (65, 234812), (94, 162370), (130, 117406), (188, 81185), (235, 64948), (260, 58703), (470, 32474), (611, 24980), (940, 16237), (1222, 12490), (1249, 12220), (2444, 6245), (2498, 6110), (3055, 4996)]