240912015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 423346176

約数和(自身を除く): 182434161

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 127, 129, 173, 215, 255, 381, 519, 635, 645, 731, 865, 1905, 2159, 2193, 2595, 2941, 3655, 5461, 6477, 7439, 8823, 10795, 10965, 14705, 16383, 21971, 22317, 27305, 32385, 37195, 44115, 65913, 81915, 92837, 109855, 111585, 126463, 278511, 329565, 373507, 379389, 464185, 632315, 944753, 1120521, 1392555, 1867535, 1896945, 2834259, 4723765, 5602605, 14171295, 16060801, 48182403, 80304005, 240912015]

約数ペア:

[(1, 240912015), (3, 80304005), (5, 48182403), (15, 16060801), (17, 14171295), (43, 5602605), (51, 4723765), (85, 2834259), (127, 1896945), (129, 1867535), (173, 1392555), (215, 1120521), (255, 944753), (381, 632315), (519, 464185), (635, 379389), (645, 373507), (731, 329565), (865, 278511), (1905, 126463), (2159, 111585), (2193, 109855), (2595, 92837), (2941, 81915), (3655, 65913), (5461, 44115), (6477, 37195), (7439, 32385), (8823, 27305), (10795, 22317), (10965, 21971), (14705, 16383)]