316171520

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{71}}^2$

素因数の和:177

約数の個数: 162

約数和(自身を含む): 893558106

約数和(自身を除く): 577386586

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 71, 80, 98, 112, 128, 140, 142, 160, 196, 224, 245, 256, 280, 284, 320, 355, 392, 448, 490, 497, 560, 568, 640, 710, 784, 896, 980, 994, 1120, 1136, 1280, 1420, 1568, 1792, 1960, 1988, 2240, 2272, 2485, 2840, 3136, 3479, 3920, 3976, 4480, 4544, 4970, 5041, 5680, 6272, 6958, 7840, 7952, 8960, 9088, 9940, 10082, 11360, 12544, 13916, 15680, 15904, 17395, 18176, 19880, 20164, 22720, 25205, 27832, 31360, 31808, 34790, 35287, 39760, 40328, 45440, 50410, 55664, 62720, 63616, 69580, 70574, 79520, 80656, 90880, 100820, 111328, 127232, 139160, 141148, 159040, 161312, 176435, 201640, 222656, 247009, 278320, 282296, 318080, 322624, 352870, 403280, 445312, 494018, 556640, 564592, 636160, 645248, 705740, 806560, 890624, 988036, 1113280, 1129184, 1235045, 1290496, 1411480, 1613120, 1976072, 2226560, 2258368, 2470090, 2822960, 3226240, 3952144, 4453120, 4516736, 4940180, 5645920, 6452480, 7904288, 9033472, 9880360, 11291840, 15808576, 19760720, 22583680, 31617152, 39521440, 45167360, 63234304, 79042880, 158085760, 316171520]

約数ペア:

[(1, 316171520), (2, 158085760), (4, 79042880), (5, 63234304), (7, 45167360), (8, 39521440), (10, 31617152), (14, 22583680), (16, 19760720), (20, 15808576), (28, 11291840), (32, 9880360), (35, 9033472), (40, 7904288), (49, 6452480), (56, 5645920), (64, 4940180), (70, 4516736), (71, 4453120), (80, 3952144), (98, 3226240), (112, 2822960), (128, 2470090), (140, 2258368), (142, 2226560), (160, 1976072), (196, 1613120), (224, 1411480), (245, 1290496), (256, 1235045), (280, 1129184), (284, 1113280), (320, 988036), (355, 890624), (392, 806560), (448, 705740), (490, 645248), (497, 636160), (560, 564592), (568, 556640), (640, 494018), (710, 445312), (784, 403280), (896, 352870), (980, 322624), (994, 318080), (1120, 282296), (1136, 278320), (1280, 247009), (1420, 222656), (1568, 201640), (1792, 176435), (1960, 161312), (1988, 159040), (2240, 141148), (2272, 139160), (2485, 127232), (2840, 111328), (3136, 100820), (3479, 90880), (3920, 80656), (3976, 79520), (4480, 70574), (4544, 69580), (4970, 63616), (5041, 62720), (5680, 55664), (6272, 50410), (6958, 45440), (7840, 40328), (7952, 39760), (8960, 35287), (9088, 34790), (9940, 31808), (10082, 31360), (11360, 27832), (12544, 25205), (13916, 22720), (15680, 20164), (15904, 19880), (17395, 18176)]