15121860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19387}}^1$

素因数の和:19412

約数の個数: 48

約数和(自身を含む): 45600576

約数和(自身を除く): 30478716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19387, 38774, 58161, 77548, 96935, 116322, 193870, 232644, 252031, 290805, 387740, 504062, 581610, 756093, 1008124, 1163220, 1260155, 1512186, 2520310, 3024372, 3780465, 5040620, 7560930, 15121860]

約数ペア:

[(1, 15121860), (2, 7560930), (3, 5040620), (4, 3780465), (5, 3024372), (6, 2520310), (10, 1512186), (12, 1260155), (13, 1163220), (15, 1008124), (20, 756093), (26, 581610), (30, 504062), (39, 387740), (52, 290805), (60, 252031), (65, 232644), (78, 193870), (130, 116322), (156, 96935), (195, 77548), (260, 58161), (390, 38774), (780, 19387)]