256156758

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 144

約数和(自身を含む): 670990320

約数和(自身を除く): 414833562

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 83, 99, 109, 117, 121, 143, 166, 198, 218, 234, 242, 249, 286, 327, 363, 429, 498, 654, 726, 747, 858, 913, 981, 1079, 1089, 1199, 1287, 1417, 1494, 1573, 1826, 1962, 2158, 2178, 2398, 2574, 2739, 2834, 3146, 3237, 3597, 4251, 4719, 5478, 6474, 7194, 8217, 8502, 9047, 9438, 9711, 10043, 10791, 11869, 12753, 13189, 14157, 15587, 16434, 18094, 19422, 20086, 21582, 23738, 25506, 26378, 27141, 28314, 30129, 31174, 35607, 39567, 46761, 54282, 60258, 71214, 79134, 81423, 90387, 93522, 99517, 106821, 117611, 118701, 130559, 140283, 162846, 171457, 180774, 199034, 213642, 235222, 237402, 261118, 280566, 298551, 342914, 352833, 391677, 514371, 597102, 705666, 783354, 895653, 1028742, 1058499, 1094687, 1175031, 1293721, 1543113, 1791306, 2116998, 2189374, 2350062, 2587442, 3086226, 3284061, 3881163, 6568122, 7762326, 9852183, 11643489, 14230931, 19704366, 23286978, 28461862, 42692793, 85385586, 128078379, 256156758]

約数ペア:

[(1, 256156758), (2, 128078379), (3, 85385586), (6, 42692793), (9, 28461862), (11, 23286978), (13, 19704366), (18, 14230931), (22, 11643489), (26, 9852183), (33, 7762326), (39, 6568122), (66, 3881163), (78, 3284061), (83, 3086226), (99, 2587442), (109, 2350062), (117, 2189374), (121, 2116998), (143, 1791306), (166, 1543113), (198, 1293721), (218, 1175031), (234, 1094687), (242, 1058499), (249, 1028742), (286, 895653), (327, 783354), (363, 705666), (429, 597102), (498, 514371), (654, 391677), (726, 352833), (747, 342914), (858, 298551), (913, 280566), (981, 261118), (1079, 237402), (1089, 235222), (1199, 213642), (1287, 199034), (1417, 180774), (1494, 171457), (1573, 162846), (1826, 140283), (1962, 130559), (2158, 118701), (2178, 117611), (2398, 106821), (2574, 99517), (2739, 93522), (2834, 90387), (3146, 81423), (3237, 79134), (3597, 71214), (4251, 60258), (4719, 54282), (5478, 46761), (6474, 39567), (7194, 35607), (8217, 31174), (8502, 30129), (9047, 28314), (9438, 27141), (9711, 26378), (10043, 25506), (10791, 23738), (11869, 21582), (12753, 20086), (13189, 19422), (14157, 18094), (15587, 16434)]