248171280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:526

約数の個数: 240

約数和(自身を含む): 916012800

約数和(自身を除く): 667841520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 49, 56, 60, 70, 80, 84, 94, 98, 105, 112, 120, 140, 141, 147, 168, 188, 196, 210, 235, 240, 245, 280, 282, 294, 329, 336, 376, 392, 420, 449, 470, 490, 560, 564, 588, 658, 705, 735, 752, 784, 840, 898, 940, 980, 987, 1128, 1176, 1316, 1347, 1410, 1470, 1645, 1680, 1796, 1880, 1960, 1974, 2245, 2256, 2303, 2352, 2632, 2694, 2820, 2940, 3143, 3290, 3592, 3760, 3920, 3948, 4490, 4606, 4935, 5264, 5388, 5640, 5880, 6286, 6580, 6735, 6909, 7184, 7896, 8980, 9212, 9429, 9870, 10776, 11280, 11515, 11760, 12572, 13160, 13470, 13818, 15715, 15792, 17960, 18424, 18858, 19740, 21103, 21552, 22001, 23030, 25144, 26320, 26940, 27636, 31430, 34545, 35920, 36848, 37716, 39480, 42206, 44002, 46060, 47145, 50288, 53880, 55272, 62860, 63309, 66003, 69090, 75432, 78960, 84412, 88004, 92120, 94290, 105515, 107760, 110005, 110544, 125720, 126618, 132006, 138180, 147721, 150864, 168824, 176008, 184240, 188580, 211030, 220010, 251440, 253236, 264012, 276360, 295442, 316545, 330015, 337648, 352016, 377160, 422060, 440020, 443163, 506472, 528024, 552720, 590884, 633090, 660030, 738605, 754320, 844120, 880040, 886326, 1012944, 1034047, 1056048, 1181768, 1266180, 1320060, 1477210, 1688240, 1760080, 1772652, 2068094, 2215815, 2363536, 2532360, 2640120, 2954420, 3102141, 3545304, 4136188, 4431630, 5064720, 5170235, 5280240, 5908840, 6204282, 7090608, 8272376, 8863260, 10340470, 11817680, 12408564, 15510705, 16544752, 17726520, 20680940, 24817128, 31021410, 35453040, 41361880, 49634256, 62042820, 82723760, 124085640, 248171280]

約数ペア:

[(1, 248171280), (2, 124085640), (3, 82723760), (4, 62042820), (5, 49634256), (6, 41361880), (7, 35453040), (8, 31021410), (10, 24817128), (12, 20680940), (14, 17726520), (15, 16544752), (16, 15510705), (20, 12408564), (21, 11817680), (24, 10340470), (28, 8863260), (30, 8272376), (35, 7090608), (40, 6204282), (42, 5908840), (47, 5280240), (48, 5170235), (49, 5064720), (56, 4431630), (60, 4136188), (70, 3545304), (80, 3102141), (84, 2954420), (94, 2640120), (98, 2532360), (105, 2363536), (112, 2215815), (120, 2068094), (140, 1772652), (141, 1760080), (147, 1688240), (168, 1477210), (188, 1320060), (196, 1266180), (210, 1181768), (235, 1056048), (240, 1034047), (245, 1012944), (280, 886326), (282, 880040), (294, 844120), (329, 754320), (336, 738605), (376, 660030), (392, 633090), (420, 590884), (449, 552720), (470, 528024), (490, 506472), (560, 443163), (564, 440020), (588, 422060), (658, 377160), (705, 352016), (735, 337648), (752, 330015), (784, 316545), (840, 295442), (898, 276360), (940, 264012), (980, 253236), (987, 251440), (1128, 220010), (1176, 211030), (1316, 188580), (1347, 184240), (1410, 176008), (1470, 168824), (1645, 150864), (1680, 147721), (1796, 138180), (1880, 132006), (1960, 126618), (1974, 125720), (2245, 110544), (2256, 110005), (2303, 107760), (2352, 105515), (2632, 94290), (2694, 92120), (2820, 88004), (2940, 84412), (3143, 78960), (3290, 75432), (3592, 69090), (3760, 66003), (3920, 63309), (3948, 62860), (4490, 55272), (4606, 53880), (4935, 50288), (5264, 47145), (5388, 46060), (5640, 44002), (5880, 42206), (6286, 39480), (6580, 37716), (6735, 36848), (6909, 35920), (7184, 34545), (7896, 31430), (8980, 27636), (9212, 26940), (9429, 26320), (9870, 25144), (10776, 23030), (11280, 22001), (11515, 21552), (11760, 21103), (12572, 19740), (13160, 18858), (13470, 18424), (13818, 17960), (15715, 15792)]