320389888

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1$

素因数の和:862

約数の個数: 144

約数和(自身を含む): 834442560

約数和(自身を除く): 514052672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 128, 136, 182, 208, 221, 224, 238, 256, 272, 364, 416, 442, 448, 476, 544, 728, 809, 832, 884, 896, 952, 1088, 1456, 1547, 1618, 1664, 1768, 1792, 1904, 2176, 2912, 3094, 3236, 3328, 3536, 3808, 4352, 5663, 5824, 6188, 6472, 7072, 7616, 10517, 11326, 11648, 12376, 12944, 13753, 14144, 15232, 21034, 22652, 23296, 24752, 25888, 27506, 28288, 30464, 42068, 45304, 49504, 51776, 55012, 56576, 73619, 84136, 90608, 96271, 99008, 103552, 110024, 147238, 168272, 178789, 181216, 192542, 198016, 207104, 220048, 294476, 336544, 357578, 362432, 385084, 396032, 440096, 588952, 673088, 715156, 724864, 770168, 880192, 1177904, 1251523, 1346176, 1430312, 1449728, 1540336, 1760384, 2355808, 2503046, 2692352, 2860624, 3080672, 3520768, 4711616, 5006092, 5721248, 6161344, 9423232, 10012184, 11442496, 12322688, 18846464, 20024368, 22884992, 24645376, 40048736, 45769984, 80097472, 160194944, 320389888]

約数ペア:

[(1, 320389888), (2, 160194944), (4, 80097472), (7, 45769984), (8, 40048736), (13, 24645376), (14, 22884992), (16, 20024368), (17, 18846464), (26, 12322688), (28, 11442496), (32, 10012184), (34, 9423232), (52, 6161344), (56, 5721248), (64, 5006092), (68, 4711616), (91, 3520768), (104, 3080672), (112, 2860624), (119, 2692352), (128, 2503046), (136, 2355808), (182, 1760384), (208, 1540336), (221, 1449728), (224, 1430312), (238, 1346176), (256, 1251523), (272, 1177904), (364, 880192), (416, 770168), (442, 724864), (448, 715156), (476, 673088), (544, 588952), (728, 440096), (809, 396032), (832, 385084), (884, 362432), (896, 357578), (952, 336544), (1088, 294476), (1456, 220048), (1547, 207104), (1618, 198016), (1664, 192542), (1768, 181216), (1792, 178789), (1904, 168272), (2176, 147238), (2912, 110024), (3094, 103552), (3236, 99008), (3328, 96271), (3536, 90608), (3808, 84136), (4352, 73619), (5663, 56576), (5824, 55012), (6188, 51776), (6472, 49504), (7072, 45304), (7616, 42068), (10517, 30464), (11326, 28288), (11648, 27506), (12376, 25888), (12944, 24752), (13753, 23296), (14144, 22652), (15232, 21034)]