15352220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 35054208

約数和(自身を除く): 19701988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 431, 548, 685, 862, 1370, 1724, 1781, 2155, 2740, 3562, 4310, 5603, 7124, 8620, 8905, 11206, 17810, 22412, 28015, 35620, 56030, 59047, 112060, 118094, 236188, 295235, 590470, 767611, 1180940, 1535222, 3070444, 3838055, 7676110, 15352220]

約数ペア:

[(1, 15352220), (2, 7676110), (4, 3838055), (5, 3070444), (10, 1535222), (13, 1180940), (20, 767611), (26, 590470), (52, 295235), (65, 236188), (130, 118094), (137, 112060), (260, 59047), (274, 56030), (431, 35620), (548, 28015), (685, 22412), (862, 17810), (1370, 11206), (1724, 8905), (1781, 8620), (2155, 7124), (2740, 5603), (3562, 4310)]