1520237985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{66721}}^1$

素因数の和:66774

約数の個数: 48

約数和(自身を含む): 2920822272

約数和(自身を除く): 1400584287

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 105, 147, 155, 217, 245, 465, 651, 735, 1085, 1519, 3255, 4557, 7595, 22785, 66721, 200163, 333605, 467047, 1000815, 1401141, 2068351, 2335235, 3269329, 6205053, 7005705, 9807987, 10341755, 14478457, 16346645, 31025265, 43435371, 49039935, 72392285, 101349199, 217176855, 304047597, 506745995, 1520237985]

約数ペア:

[(1, 1520237985), (3, 506745995), (5, 304047597), (7, 217176855), (15, 101349199), (21, 72392285), (31, 49039935), (35, 43435371), (49, 31025265), (93, 16346645), (105, 14478457), (147, 10341755), (155, 9807987), (217, 7005705), (245, 6205053), (465, 3269329), (651, 2335235), (735, 2068351), (1085, 1401141), (1519, 1000815), (3255, 467047), (4557, 333605), (7595, 200163), (22785, 66721)]