1656242560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 256

約数和(自身を含む): 4737761280

約数和(自身を除く): 3081518720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 71, 80, 82, 112, 127, 128, 140, 142, 160, 164, 205, 224, 254, 280, 284, 287, 320, 328, 355, 410, 448, 497, 508, 560, 568, 574, 635, 640, 656, 710, 820, 889, 896, 994, 1016, 1120, 1136, 1148, 1270, 1312, 1420, 1435, 1640, 1778, 1988, 2032, 2240, 2272, 2296, 2485, 2540, 2624, 2840, 2870, 2911, 3280, 3556, 3976, 4064, 4445, 4480, 4544, 4592, 4970, 5080, 5207, 5248, 5680, 5740, 5822, 6560, 7112, 7952, 8128, 8890, 9017, 9088, 9184, 9940, 10160, 10414, 11360, 11480, 11644, 13120, 14224, 14555, 15904, 16256, 17780, 18034, 18368, 19880, 20320, 20377, 20828, 22720, 22960, 23288, 26035, 26240, 28448, 29110, 31808, 35560, 36068, 36449, 36736, 39760, 40640, 40754, 41656, 45085, 45440, 45920, 46576, 52070, 56896, 58220, 63119, 63616, 71120, 72136, 72898, 79520, 81280, 81508, 83312, 90170, 91840, 93152, 101885, 104140, 113792, 116440, 126238, 142240, 144272, 145796, 159040, 163016, 166624, 180340, 182245, 183680, 186304, 203770, 208280, 232880, 252476, 284480, 288544, 291592, 315595, 318080, 326032, 333248, 360680, 364490, 369697, 372608, 407540, 416560, 465760, 504952, 568960, 577088, 583184, 631190, 652064, 666496, 721360, 728980, 739394, 815080, 833120, 931520, 1009904, 1154176, 1166368, 1262380, 1304128, 1442720, 1457960, 1478788, 1630160, 1666240, 1848485, 1863040, 2019808, 2332736, 2524760, 2587879, 2608256, 2885440, 2915920, 2957576, 3260320, 3332480, 3696970, 4039616, 4665472, 5049520, 5175758, 5770880, 5831840, 5915152, 6520640, 7393940, 8079232, 10099040, 10351516, 11663680, 11830304, 12939395, 13041280, 14787880, 20198080, 20703032, 23327360, 23660608, 25878790, 29575760, 40396160, 41406064, 47321216, 51757580, 59151520, 82812128, 103515160, 118303040, 165624256, 207030320, 236606080, 331248512, 414060640, 828121280, 1656242560]

約数ペア:

[(1, 1656242560), (2, 828121280), (4, 414060640), (5, 331248512), (7, 236606080), (8, 207030320), (10, 165624256), (14, 118303040), (16, 103515160), (20, 82812128), (28, 59151520), (32, 51757580), (35, 47321216), (40, 41406064), (41, 40396160), (56, 29575760), (64, 25878790), (70, 23660608), (71, 23327360), (80, 20703032), (82, 20198080), (112, 14787880), (127, 13041280), (128, 12939395), (140, 11830304), (142, 11663680), (160, 10351516), (164, 10099040), (205, 8079232), (224, 7393940), (254, 6520640), (280, 5915152), (284, 5831840), (287, 5770880), (320, 5175758), (328, 5049520), (355, 4665472), (410, 4039616), (448, 3696970), (497, 3332480), (508, 3260320), (560, 2957576), (568, 2915920), (574, 2885440), (635, 2608256), (640, 2587879), (656, 2524760), (710, 2332736), (820, 2019808), (889, 1863040), (896, 1848485), (994, 1666240), (1016, 1630160), (1120, 1478788), (1136, 1457960), (1148, 1442720), (1270, 1304128), (1312, 1262380), (1420, 1166368), (1435, 1154176), (1640, 1009904), (1778, 931520), (1988, 833120), (2032, 815080), (2240, 739394), (2272, 728980), (2296, 721360), (2485, 666496), (2540, 652064), (2624, 631190), (2840, 583184), (2870, 577088), (2911, 568960), (3280, 504952), (3556, 465760), (3976, 416560), (4064, 407540), (4445, 372608), (4480, 369697), (4544, 364490), (4592, 360680), (4970, 333248), (5080, 326032), (5207, 318080), (5248, 315595), (5680, 291592), (5740, 288544), (5822, 284480), (6560, 252476), (7112, 232880), (7952, 208280), (8128, 203770), (8890, 186304), (9017, 183680), (9088, 182245), (9184, 180340), (9940, 166624), (10160, 163016), (10414, 159040), (11360, 145796), (11480, 144272), (11644, 142240), (13120, 126238), (14224, 116440), (14555, 113792), (15904, 104140), (16256, 101885), (17780, 93152), (18034, 91840), (18368, 90170), (19880, 83312), (20320, 81508), (20377, 81280), (20828, 79520), (22720, 72898), (22960, 72136), (23288, 71120), (26035, 63616), (26240, 63119), (28448, 58220), (29110, 56896), (31808, 52070), (35560, 46576), (36068, 45920), (36449, 45440), (36736, 45085), (39760, 41656), (40640, 40754)]