255206376

素因数分解:

$2^3\times 3^5\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 744176160

約数和(自身を除く): 488969784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 71, 72, 81, 86, 108, 129, 142, 162, 172, 213, 216, 243, 258, 284, 324, 344, 387, 426, 486, 516, 568, 639, 648, 774, 852, 972, 1032, 1161, 1278, 1548, 1704, 1849, 1917, 1944, 2322, 2556, 3053, 3096, 3483, 3698, 3834, 4644, 5112, 5547, 5751, 6106, 6966, 7396, 7668, 9159, 9288, 10449, 11094, 11502, 12212, 13932, 14792, 15336, 16641, 17253, 18318, 20898, 22188, 23004, 24424, 27477, 27864, 33282, 34506, 36636, 41796, 44376, 46008, 49923, 54954, 66564, 69012, 73272, 82431, 83592, 99846, 109908, 131279, 133128, 138024, 149769, 164862, 199692, 219816, 247293, 262558, 299538, 329724, 393837, 399384, 449307, 494586, 525116, 599076, 659448, 741879, 787674, 898614, 989172, 1050232, 1181511, 1198152, 1483758, 1575348, 1797228, 1978344, 2363022, 2967516, 3150696, 3544533, 3594456, 4726044, 5935032, 7089066, 9452088, 10633599, 14178132, 21267198, 28356264, 31900797, 42534396, 63801594, 85068792, 127603188, 255206376]

約数ペア:

[(1, 255206376), (2, 127603188), (3, 85068792), (4, 63801594), (6, 42534396), (8, 31900797), (9, 28356264), (12, 21267198), (18, 14178132), (24, 10633599), (27, 9452088), (36, 7089066), (43, 5935032), (54, 4726044), (71, 3594456), (72, 3544533), (81, 3150696), (86, 2967516), (108, 2363022), (129, 1978344), (142, 1797228), (162, 1575348), (172, 1483758), (213, 1198152), (216, 1181511), (243, 1050232), (258, 989172), (284, 898614), (324, 787674), (344, 741879), (387, 659448), (426, 599076), (486, 525116), (516, 494586), (568, 449307), (639, 399384), (648, 393837), (774, 329724), (852, 299538), (972, 262558), (1032, 247293), (1161, 219816), (1278, 199692), (1548, 164862), (1704, 149769), (1849, 138024), (1917, 133128), (1944, 131279), (2322, 109908), (2556, 99846), (3053, 83592), (3096, 82431), (3483, 73272), (3698, 69012), (3834, 66564), (4644, 54954), (5112, 49923), (5547, 46008), (5751, 44376), (6106, 41796), (6966, 36636), (7396, 34506), (7668, 33282), (9159, 27864), (9288, 27477), (10449, 24424), (11094, 23004), (11502, 22188), (12212, 20898), (13932, 18318), (14792, 17253), (15336, 16641)]