80971408

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 202808448

約数和(自身を除く): 121837040

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 43, 46, 56, 68, 86, 92, 112, 119, 136, 161, 172, 184, 238, 272, 301, 322, 344, 368, 391, 476, 602, 644, 688, 731, 782, 952, 989, 1204, 1288, 1462, 1564, 1849, 1904, 1978, 2408, 2576, 2737, 2924, 3128, 3698, 3956, 4816, 5117, 5474, 5848, 6256, 6923, 7396, 7912, 10234, 10948, 11696, 12943, 13846, 14792, 15824, 16813, 20468, 21896, 25886, 27692, 29584, 31433, 33626, 40936, 42527, 43792, 51772, 55384, 62866, 67252, 81872, 85054, 103544, 110768, 117691, 125732, 134504, 170108, 207088, 220031, 235382, 251464, 269008, 297689, 340216, 440062, 470764, 502928, 595378, 680432, 722959, 880124, 941528, 1190756, 1445918, 1760248, 1883056, 2381512, 2891836, 3520496, 4763024, 5060713, 5783672, 10121426, 11567344, 20242852, 40485704, 80971408]

約数ペア:

[(1, 80971408), (2, 40485704), (4, 20242852), (7, 11567344), (8, 10121426), (14, 5783672), (16, 5060713), (17, 4763024), (23, 3520496), (28, 2891836), (34, 2381512), (43, 1883056), (46, 1760248), (56, 1445918), (68, 1190756), (86, 941528), (92, 880124), (112, 722959), (119, 680432), (136, 595378), (161, 502928), (172, 470764), (184, 440062), (238, 340216), (272, 297689), (301, 269008), (322, 251464), (344, 235382), (368, 220031), (391, 207088), (476, 170108), (602, 134504), (644, 125732), (688, 117691), (731, 110768), (782, 103544), (952, 85054), (989, 81872), (1204, 67252), (1288, 62866), (1462, 55384), (1564, 51772), (1849, 43792), (1904, 42527), (1978, 40936), (2408, 33626), (2576, 31433), (2737, 29584), (2924, 27692), (3128, 25886), (3698, 21896), (3956, 20468), (4816, 16813), (5117, 15824), (5474, 14792), (5848, 13846), (6256, 12943), (6923, 11696), (7396, 10948), (7912, 10234)]