15120735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 30108672

約数和(自身を除く): 14987937

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 43, 51, 85, 105, 119, 129, 197, 215, 255, 301, 357, 591, 595, 645, 731, 903, 985, 1379, 1505, 1785, 2193, 2955, 3349, 3655, 4137, 4515, 5117, 6895, 8471, 10047, 10965, 15351, 16745, 20685, 23443, 25413, 25585, 42355, 50235, 59297, 70329, 76755, 117215, 127065, 144007, 177891, 296485, 351645, 432021, 720035, 889455, 1008049, 2160105, 3024147, 5040245, 15120735]

約数ペア:

[(1, 15120735), (3, 5040245), (5, 3024147), (7, 2160105), (15, 1008049), (17, 889455), (21, 720035), (35, 432021), (43, 351645), (51, 296485), (85, 177891), (105, 144007), (119, 127065), (129, 117215), (197, 76755), (215, 70329), (255, 59297), (301, 50235), (357, 42355), (591, 25585), (595, 25413), (645, 23443), (731, 20685), (903, 16745), (985, 15351), (1379, 10965), (1505, 10047), (1785, 8471), (2193, 6895), (2955, 5117), (3349, 4515), (3655, 4137)]