256466340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1018

約数の個数: 144

約数和(自身を含む): 845365248

約数和(自身を除く): 588898908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 127, 130, 156, 180, 195, 234, 254, 260, 381, 390, 468, 508, 585, 635, 762, 780, 863, 1143, 1170, 1270, 1524, 1651, 1726, 1905, 2286, 2340, 2540, 2589, 3302, 3452, 3810, 4315, 4572, 4953, 5178, 5715, 6604, 7620, 7767, 8255, 8630, 9906, 10356, 11219, 11430, 12945, 14859, 15534, 16510, 17260, 19812, 22438, 22860, 24765, 25890, 29718, 31068, 33020, 33657, 38835, 44876, 49530, 51780, 56095, 59436, 67314, 74295, 77670, 99060, 100971, 109601, 112190, 134628, 148590, 155340, 168285, 201942, 219202, 224380, 297180, 328803, 336570, 403884, 438404, 504855, 548005, 657606, 673140, 986409, 1009710, 1096010, 1315212, 1424813, 1644015, 1972818, 2019420, 2192020, 2849626, 3288030, 3945636, 4274439, 4932045, 5699252, 6576060, 7124065, 8548878, 9864090, 12823317, 14248130, 17097756, 19728180, 21372195, 25646634, 28496260, 42744390, 51293268, 64116585, 85488780, 128233170, 256466340]

約数ペア:

[(1, 256466340), (2, 128233170), (3, 85488780), (4, 64116585), (5, 51293268), (6, 42744390), (9, 28496260), (10, 25646634), (12, 21372195), (13, 19728180), (15, 17097756), (18, 14248130), (20, 12823317), (26, 9864090), (30, 8548878), (36, 7124065), (39, 6576060), (45, 5699252), (52, 4932045), (60, 4274439), (65, 3945636), (78, 3288030), (90, 2849626), (117, 2192020), (127, 2019420), (130, 1972818), (156, 1644015), (180, 1424813), (195, 1315212), (234, 1096010), (254, 1009710), (260, 986409), (381, 673140), (390, 657606), (468, 548005), (508, 504855), (585, 438404), (635, 403884), (762, 336570), (780, 328803), (863, 297180), (1143, 224380), (1170, 219202), (1270, 201942), (1524, 168285), (1651, 155340), (1726, 148590), (1905, 134628), (2286, 112190), (2340, 109601), (2540, 100971), (2589, 99060), (3302, 77670), (3452, 74295), (3810, 67314), (4315, 59436), (4572, 56095), (4953, 51780), (5178, 49530), (5715, 44876), (6604, 38835), (7620, 33657), (7767, 33020), (8255, 31068), (8630, 29718), (9906, 25890), (10356, 24765), (11219, 22860), (11430, 22438), (12945, 19812), (14859, 17260), (15534, 16510)]