256388496

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:853

約数の個数: 160

約数和(自身を含む): 826613760

約数和(自身を除く): 570225264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 79, 84, 91, 104, 112, 156, 158, 168, 182, 208, 237, 273, 312, 316, 336, 364, 474, 546, 553, 624, 632, 728, 743, 948, 1027, 1092, 1106, 1264, 1456, 1486, 1659, 1896, 2054, 2184, 2212, 2229, 2972, 3081, 3318, 3792, 4108, 4368, 4424, 4458, 5201, 5944, 6162, 6636, 7189, 8216, 8848, 8916, 9659, 10402, 11888, 12324, 13272, 14378, 15603, 16432, 17832, 19318, 20804, 21567, 24648, 26544, 28756, 28977, 31206, 35664, 38636, 41608, 43134, 49296, 57512, 57954, 58697, 62412, 67613, 77272, 83216, 86268, 115024, 115908, 117394, 124824, 135226, 154544, 172536, 176091, 202839, 231816, 234788, 249648, 270452, 345072, 352182, 405678, 410879, 463632, 469576, 540904, 704364, 763061, 811356, 821758, 939152, 1081808, 1232637, 1408728, 1526122, 1622712, 1643516, 2289183, 2465274, 2817456, 3052244, 3245424, 3287032, 4578366, 4930548, 5341427, 6104488, 6574064, 9156732, 9861096, 10682854, 12208976, 16024281, 18313464, 19722192, 21365708, 32048562, 36626928, 42731416, 64097124, 85462832, 128194248, 256388496]

約数ペア:

[(1, 256388496), (2, 128194248), (3, 85462832), (4, 64097124), (6, 42731416), (7, 36626928), (8, 32048562), (12, 21365708), (13, 19722192), (14, 18313464), (16, 16024281), (21, 12208976), (24, 10682854), (26, 9861096), (28, 9156732), (39, 6574064), (42, 6104488), (48, 5341427), (52, 4930548), (56, 4578366), (78, 3287032), (79, 3245424), (84, 3052244), (91, 2817456), (104, 2465274), (112, 2289183), (156, 1643516), (158, 1622712), (168, 1526122), (182, 1408728), (208, 1232637), (237, 1081808), (273, 939152), (312, 821758), (316, 811356), (336, 763061), (364, 704364), (474, 540904), (546, 469576), (553, 463632), (624, 410879), (632, 405678), (728, 352182), (743, 345072), (948, 270452), (1027, 249648), (1092, 234788), (1106, 231816), (1264, 202839), (1456, 176091), (1486, 172536), (1659, 154544), (1896, 135226), (2054, 124824), (2184, 117394), (2212, 115908), (2229, 115024), (2972, 86268), (3081, 83216), (3318, 77272), (3792, 67613), (4108, 62412), (4368, 58697), (4424, 57954), (4458, 57512), (5201, 49296), (5944, 43134), (6162, 41608), (6636, 38636), (7189, 35664), (8216, 31206), (8848, 28977), (8916, 28756), (9659, 26544), (10402, 24648), (11888, 21567), (12324, 20804), (13272, 19318), (14378, 17832), (15603, 16432)]