81881201024

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1607}}^1$

素因数の和:1761

約数の個数: 256

約数和(自身を含む): 203904691200

約数和(自身を除く): 122023490176

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 41, 56, 64, 73, 76, 82, 112, 128, 133, 146, 152, 164, 224, 266, 287, 292, 304, 328, 448, 511, 532, 574, 584, 608, 656, 779, 896, 1022, 1064, 1148, 1168, 1216, 1312, 1387, 1558, 1607, 2044, 2128, 2296, 2336, 2432, 2624, 2774, 2993, 3116, 3214, 4088, 4256, 4592, 4672, 5248, 5453, 5548, 5986, 6232, 6428, 8176, 8512, 9184, 9344, 9709, 10906, 11096, 11249, 11972, 12464, 12856, 16352, 17024, 18368, 19418, 20951, 21812, 22192, 22498, 23944, 24928, 25712, 30533, 32704, 36736, 38836, 41902, 43624, 44384, 44996, 47888, 49856, 51424, 56867, 61066, 65408, 65887, 77672, 83804, 87248, 88768, 89992, 95776, 99712, 102848, 113734, 117311, 122132, 131774, 155344, 167608, 174496, 177536, 179984, 191552, 205696, 213731, 227468, 234622, 244264, 263548, 310688, 335216, 348992, 359968, 383104, 398069, 427462, 454936, 461209, 469244, 488528, 527096, 621376, 670432, 697984, 719936, 796138, 821177, 854924, 909872, 922418, 938488, 977056, 1054192, 1242752, 1251853, 1340864, 1439872, 1592276, 1642354, 1709848, 1819744, 1844836, 1876976, 1954112, 2108384, 2228909, 2503706, 2681728, 3184552, 3284708, 3419696, 3639488, 3689672, 3753952, 3908224, 4216768, 4457818, 4809751, 5007412, 6369104, 6569416, 6839392, 7278976, 7379344, 7507904, 8433536, 8762971, 8915636, 9619502, 10014824, 12738208, 13138832, 13678784, 14758688, 15015808, 15602363, 17525942, 17831272, 19239004, 20029648, 25476416, 26277664, 27357568, 29517376, 31204726, 33668257, 35051884, 35662544, 38478008, 40059296, 50952832, 52555328, 59034752, 62409452, 67336514, 70103768, 71325088, 76956016, 80118592, 91385269, 105110656, 124818904, 134673028, 140207536, 142650176, 153912032, 160237184, 182770538, 249637808, 269346056, 280415072, 285300352, 307824064, 365541076, 499275616, 538692112, 560830144, 615648128, 639696883, 731082152, 998551232, 1077384224, 1121660288, 1279393766, 1462164304, 1997102464, 2154768448, 2558787532, 2924328608, 4309536896, 5117575064, 5848657216, 10235150128, 11697314432, 20470300256, 40940600512, 81881201024]

約数ペア:

[(1, 81881201024), (2, 40940600512), (4, 20470300256), (7, 11697314432), (8, 10235150128), (14, 5848657216), (16, 5117575064), (19, 4309536896), (28, 2924328608), (32, 2558787532), (38, 2154768448), (41, 1997102464), (56, 1462164304), (64, 1279393766), (73, 1121660288), (76, 1077384224), (82, 998551232), (112, 731082152), (128, 639696883), (133, 615648128), (146, 560830144), (152, 538692112), (164, 499275616), (224, 365541076), (266, 307824064), (287, 285300352), (292, 280415072), (304, 269346056), (328, 249637808), (448, 182770538), (511, 160237184), (532, 153912032), (574, 142650176), (584, 140207536), (608, 134673028), (656, 124818904), (779, 105110656), (896, 91385269), (1022, 80118592), (1064, 76956016), (1148, 71325088), (1168, 70103768), (1216, 67336514), (1312, 62409452), (1387, 59034752), (1558, 52555328), (1607, 50952832), (2044, 40059296), (2128, 38478008), (2296, 35662544), (2336, 35051884), (2432, 33668257), (2624, 31204726), (2774, 29517376), (2993, 27357568), (3116, 26277664), (3214, 25476416), (4088, 20029648), (4256, 19239004), (4592, 17831272), (4672, 17525942), (5248, 15602363), (5453, 15015808), (5548, 14758688), (5986, 13678784), (6232, 13138832), (6428, 12738208), (8176, 10014824), (8512, 9619502), (9184, 8915636), (9344, 8762971), (9709, 8433536), (10906, 7507904), (11096, 7379344), (11249, 7278976), (11972, 6839392), (12464, 6569416), (12856, 6369104), (16352, 5007412), (17024, 4809751), (18368, 4457818), (19418, 4216768), (20951, 3908224), (21812, 3753952), (22192, 3689672), (22498, 3639488), (23944, 3419696), (24928, 3284708), (25712, 3184552), (30533, 2681728), (32704, 2503706), (36736, 2228909), (38836, 2108384), (41902, 1954112), (43624, 1876976), (44384, 1844836), (44996, 1819744), (47888, 1709848), (49856, 1642354), (51424, 1592276), (56867, 1439872), (61066, 1340864), (65408, 1251853), (65887, 1242752), (77672, 1054192), (83804, 977056), (87248, 938488), (88768, 922418), (89992, 909872), (95776, 854924), (99712, 821177), (102848, 796138), (113734, 719936), (117311, 697984), (122132, 670432), (131774, 621376), (155344, 527096), (167608, 488528), (174496, 469244), (177536, 461209), (179984, 454936), (191552, 427462), (205696, 398069), (213731, 383104), (227468, 359968), (234622, 348992), (244264, 335216), (263548, 310688)]