256406976

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3347}}^1$

素因数の和:3391

約数の個数: 168

約数和(自身を含む): 884407680

約数和(自身を除く): 628000704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 64, 72, 76, 84, 96, 112, 114, 126, 133, 144, 152, 168, 171, 192, 224, 228, 252, 266, 288, 304, 336, 342, 399, 448, 456, 504, 532, 576, 608, 672, 684, 798, 912, 1008, 1064, 1197, 1216, 1344, 1368, 1596, 1824, 2016, 2128, 2394, 2736, 3192, 3347, 3648, 4032, 4256, 4788, 5472, 6384, 6694, 8512, 9576, 10041, 10944, 12768, 13388, 19152, 20082, 23429, 25536, 26776, 30123, 38304, 40164, 46858, 53552, 60246, 63593, 70287, 76608, 80328, 93716, 107104, 120492, 127186, 140574, 160656, 187432, 190779, 210861, 214208, 240984, 254372, 281148, 321312, 374864, 381558, 421722, 445151, 481968, 508744, 562296, 572337, 642624, 749728, 763116, 843444, 890302, 963936, 1017488, 1124592, 1144674, 1335453, 1499456, 1526232, 1686888, 1780604, 1927872, 2034976, 2249184, 2289348, 2670906, 3052464, 3373776, 3561208, 4006359, 4069952, 4498368, 4578696, 5341812, 6104928, 6747552, 7122416, 8012718, 9157392, 10683624, 12209856, 13495104, 14244832, 16025436, 18314784, 21367248, 28489664, 32050872, 36629568, 42734496, 64101744, 85468992, 128203488, 256406976]

約数ペア:

[(1, 256406976), (2, 128203488), (3, 85468992), (4, 64101744), (6, 42734496), (7, 36629568), (8, 32050872), (9, 28489664), (12, 21367248), (14, 18314784), (16, 16025436), (18, 14244832), (19, 13495104), (21, 12209856), (24, 10683624), (28, 9157392), (32, 8012718), (36, 7122416), (38, 6747552), (42, 6104928), (48, 5341812), (56, 4578696), (57, 4498368), (63, 4069952), (64, 4006359), (72, 3561208), (76, 3373776), (84, 3052464), (96, 2670906), (112, 2289348), (114, 2249184), (126, 2034976), (133, 1927872), (144, 1780604), (152, 1686888), (168, 1526232), (171, 1499456), (192, 1335453), (224, 1144674), (228, 1124592), (252, 1017488), (266, 963936), (288, 890302), (304, 843444), (336, 763116), (342, 749728), (399, 642624), (448, 572337), (456, 562296), (504, 508744), (532, 481968), (576, 445151), (608, 421722), (672, 381558), (684, 374864), (798, 321312), (912, 281148), (1008, 254372), (1064, 240984), (1197, 214208), (1216, 210861), (1344, 190779), (1368, 187432), (1596, 160656), (1824, 140574), (2016, 127186), (2128, 120492), (2394, 107104), (2736, 93716), (3192, 80328), (3347, 76608), (3648, 70287), (4032, 63593), (4256, 60246), (4788, 53552), (5472, 46858), (6384, 40164), (6694, 38304), (8512, 30123), (9576, 26776), (10041, 25536), (10944, 23429), (12768, 20082), (13388, 19152)]