79855545

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 174182400

約数和(自身を除く): 94326855

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 49, 51, 55, 77, 83, 85, 105, 119, 147, 165, 187, 231, 245, 249, 255, 343, 357, 385, 415, 539, 561, 581, 595, 735, 833, 913, 935, 1029, 1155, 1245, 1309, 1411, 1617, 1715, 1743, 1785, 2499, 2695, 2739, 2805, 2905, 3773, 3927, 4067, 4165, 4233, 4565, 5145, 5831, 6391, 6545, 7055, 8085, 8715, 9163, 9877, 11319, 12201, 12495, 13695, 15521, 17493, 18865, 19173, 19635, 20335, 21165, 27489, 28469, 29155, 29631, 31955, 44737, 45815, 46563, 49385, 56595, 61005, 64141, 69139, 77605, 85407, 87465, 95865, 108647, 134211, 137445, 142345, 148155, 192423, 207417, 223685, 232815, 313159, 320705, 325941, 345695, 427035, 483973, 543235, 671055, 760529, 939477, 962115, 1037085, 1451919, 1565795, 1629705, 2281587, 2419865, 3802645, 4697385, 5323703, 7259595, 11407935, 15971109, 26618515, 79855545]

約数ペア:

[(1, 79855545), (3, 26618515), (5, 15971109), (7, 11407935), (11, 7259595), (15, 5323703), (17, 4697385), (21, 3802645), (33, 2419865), (35, 2281587), (49, 1629705), (51, 1565795), (55, 1451919), (77, 1037085), (83, 962115), (85, 939477), (105, 760529), (119, 671055), (147, 543235), (165, 483973), (187, 427035), (231, 345695), (245, 325941), (249, 320705), (255, 313159), (343, 232815), (357, 223685), (385, 207417), (415, 192423), (539, 148155), (561, 142345), (581, 137445), (595, 134211), (735, 108647), (833, 95865), (913, 87465), (935, 85407), (1029, 77605), (1155, 69139), (1245, 64141), (1309, 61005), (1411, 56595), (1617, 49385), (1715, 46563), (1743, 45815), (1785, 44737), (2499, 31955), (2695, 29631), (2739, 29155), (2805, 28469), (2905, 27489), (3773, 21165), (3927, 20335), (4067, 19635), (4165, 19173), (4233, 18865), (4565, 17493), (5145, 15521), (5831, 13695), (6391, 12495), (6545, 12201), (7055, 11319), (8085, 9877), (8715, 9163)]