20148176520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{64109}}^1$

素因数の和:64229

約数の個数: 160

約数和(自身を含む): 68419474200

約数和(自身を除く): 48271297680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 97, 108, 120, 135, 162, 180, 194, 216, 270, 291, 324, 360, 388, 405, 485, 540, 582, 648, 776, 810, 873, 970, 1080, 1164, 1455, 1620, 1746, 1940, 2328, 2619, 2910, 3240, 3492, 3880, 4365, 5238, 5820, 6984, 7857, 8730, 10476, 11640, 13095, 15714, 17460, 20952, 26190, 31428, 34920, 39285, 52380, 62856, 64109, 78570, 104760, 128218, 157140, 192327, 256436, 314280, 320545, 384654, 512872, 576981, 641090, 769308, 961635, 1153962, 1282180, 1538616, 1730943, 1923270, 2307924, 2564360, 2884905, 3461886, 3846540, 4615848, 5192829, 5769810, 6218573, 6923772, 7693080, 8654715, 10385658, 11539620, 12437146, 13847544, 17309430, 18655719, 20771316, 23079240, 24874292, 25964145, 31092865, 34618860, 37311438, 41542632, 49748584, 51928290, 55967157, 62185730, 69237720, 74622876, 93278595, 103856580, 111934314, 124371460, 149245752, 167901471, 186557190, 207713160, 223868628, 248742920, 279835785, 335802942, 373114380, 447737256, 503704413, 559671570, 671605884, 746228760, 839507355, 1007408826, 1119343140, 1343211768, 1679014710, 2014817652, 2238686280, 2518522065, 3358029420, 4029635304, 5037044130, 6716058840, 10074088260, 20148176520]

約数ペア:

[(1, 20148176520), (2, 10074088260), (3, 6716058840), (4, 5037044130), (5, 4029635304), (6, 3358029420), (8, 2518522065), (9, 2238686280), (10, 2014817652), (12, 1679014710), (15, 1343211768), (18, 1119343140), (20, 1007408826), (24, 839507355), (27, 746228760), (30, 671605884), (36, 559671570), (40, 503704413), (45, 447737256), (54, 373114380), (60, 335802942), (72, 279835785), (81, 248742920), (90, 223868628), (97, 207713160), (108, 186557190), (120, 167901471), (135, 149245752), (162, 124371460), (180, 111934314), (194, 103856580), (216, 93278595), (270, 74622876), (291, 69237720), (324, 62185730), (360, 55967157), (388, 51928290), (405, 49748584), (485, 41542632), (540, 37311438), (582, 34618860), (648, 31092865), (776, 25964145), (810, 24874292), (873, 23079240), (970, 20771316), (1080, 18655719), (1164, 17309430), (1455, 13847544), (1620, 12437146), (1746, 11539620), (1940, 10385658), (2328, 8654715), (2619, 7693080), (2910, 6923772), (3240, 6218573), (3492, 5769810), (3880, 5192829), (4365, 4615848), (5238, 3846540), (5820, 3461886), (6984, 2884905), (7857, 2564360), (8730, 2307924), (10476, 1923270), (11640, 1730943), (13095, 1538616), (15714, 1282180), (17460, 1153962), (20952, 961635), (26190, 769308), (31428, 641090), (34920, 576981), (39285, 512872), (52380, 384654), (62856, 320545), (64109, 314280), (78570, 256436), (104760, 192327), (128218, 157140)]