79116640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 208882800

約数和(自身を除く): 129766160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 59, 68, 80, 85, 116, 118, 136, 145, 160, 170, 232, 236, 272, 289, 290, 295, 340, 464, 472, 493, 544, 578, 580, 590, 680, 928, 944, 986, 1003, 1156, 1160, 1180, 1360, 1445, 1711, 1888, 1972, 2006, 2312, 2320, 2360, 2465, 2720, 2890, 3422, 3944, 4012, 4624, 4640, 4720, 4930, 5015, 5780, 6844, 7888, 8024, 8381, 8555, 9248, 9440, 9860, 10030, 11560, 13688, 15776, 16048, 16762, 17051, 17110, 19720, 20060, 23120, 27376, 29087, 32096, 33524, 34102, 34220, 39440, 40120, 41905, 46240, 54752, 58174, 67048, 68204, 68440, 78880, 80240, 83810, 85255, 116348, 134096, 136408, 136880, 145435, 160480, 167620, 170510, 232696, 268192, 272816, 273760, 290870, 335240, 341020, 465392, 494479, 545632, 581740, 670480, 682040, 930784, 988958, 1163480, 1340960, 1364080, 1977916, 2326960, 2472395, 2728160, 3955832, 4653920, 4944790, 7911664, 9889580, 15823328, 19779160, 39558320, 79116640]

約数ペア:

[(1, 79116640), (2, 39558320), (4, 19779160), (5, 15823328), (8, 9889580), (10, 7911664), (16, 4944790), (17, 4653920), (20, 3955832), (29, 2728160), (32, 2472395), (34, 2326960), (40, 1977916), (58, 1364080), (59, 1340960), (68, 1163480), (80, 988958), (85, 930784), (116, 682040), (118, 670480), (136, 581740), (145, 545632), (160, 494479), (170, 465392), (232, 341020), (236, 335240), (272, 290870), (289, 273760), (290, 272816), (295, 268192), (340, 232696), (464, 170510), (472, 167620), (493, 160480), (544, 145435), (578, 136880), (580, 136408), (590, 134096), (680, 116348), (928, 85255), (944, 83810), (986, 80240), (1003, 78880), (1156, 68440), (1160, 68204), (1180, 67048), (1360, 58174), (1445, 54752), (1711, 46240), (1888, 41905), (1972, 40120), (2006, 39440), (2312, 34220), (2320, 34102), (2360, 33524), (2465, 32096), (2720, 29087), (2890, 27376), (3422, 23120), (3944, 20060), (4012, 19720), (4624, 17110), (4640, 17051), (4720, 16762), (4930, 16048), (5015, 15776), (5780, 13688), (6844, 11560), (7888, 10030), (8024, 9860), (8381, 9440), (8555, 9248)]