1520304775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1549}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 2131113600

約数和(自身を除く): 610808825

約数列:

[1, 5, 11, 25, 43, 55, 83, 215, 275, 415, 473, 913, 1075, 1549, 2075, 2365, 3569, 4565, 7745, 11825, 17039, 17845, 22825, 38725, 39259, 66607, 85195, 89225, 128567, 196295, 333035, 425975, 642835, 732677, 981475, 1414237, 1665175, 3214175, 3663385, 5528381, 7071185, 18316925, 27641905, 35355925, 60812191, 138209525, 304060955, 1520304775]

約数ペア:

[(1, 1520304775), (5, 304060955), (11, 138209525), (25, 60812191), (43, 35355925), (55, 27641905), (83, 18316925), (215, 7071185), (275, 5528381), (415, 3663385), (473, 3214175), (913, 1665175), (1075, 1414237), (1549, 981475), (2075, 732677), (2365, 642835), (3569, 425975), (4565, 333035), (7745, 196295), (11825, 128567), (17039, 89225), (17845, 85195), (22825, 66607), (38725, 39259)]