231248640

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{1229}}^1$

素因数の和:1267

約数の個数: 216

約数和(自身を含む): 859829040

約数和(自身を除く): 628580400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1229, 1280, 1344, 1470, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2458, 2688, 2940, 3136, 3360, 3687, 3840, 3920, 4480, 4704, 4916, 5376, 5880, 6145, 6272, 6720, 7374, 7840, 8603, 8960, 9408, 9832, 11760, 12290, 12544, 13440, 14748, 15680, 17206, 18435, 18816, 19664, 23520, 24580, 25809, 26880, 29496, 31360, 34412, 36870, 37632, 39328, 43015, 47040, 49160, 51618, 58992, 60221, 62720, 68824, 73740, 78656, 86030, 94080, 98320, 103236, 117984, 120442, 129045, 137648, 147480, 157312, 172060, 180663, 188160, 196640, 206472, 235968, 240884, 258090, 275296, 294960, 301105, 314624, 344120, 361326, 393280, 412944, 471936, 481768, 516180, 550592, 589920, 602210, 688240, 722652, 786560, 825888, 903315, 943872, 963536, 1032360, 1101184, 1179840, 1204420, 1376480, 1445304, 1573120, 1651776, 1806630, 1927072, 2064720, 2202368, 2359680, 2408840, 2752960, 2890608, 3303552, 3613260, 3854144, 4129440, 4719360, 4817680, 5505920, 5781216, 6607104, 7226520, 7708288, 8258880, 9635360, 11011840, 11562432, 14453040, 15416576, 16517760, 19270720, 23124864, 28906080, 33035520, 38541440, 46249728, 57812160, 77082880, 115624320, 231248640]

約数ペア:

[(1, 231248640), (2, 115624320), (3, 77082880), (4, 57812160), (5, 46249728), (6, 38541440), (7, 33035520), (8, 28906080), (10, 23124864), (12, 19270720), (14, 16517760), (15, 15416576), (16, 14453040), (20, 11562432), (21, 11011840), (24, 9635360), (28, 8258880), (30, 7708288), (32, 7226520), (35, 6607104), (40, 5781216), (42, 5505920), (48, 4817680), (49, 4719360), (56, 4129440), (60, 3854144), (64, 3613260), (70, 3303552), (80, 2890608), (84, 2752960), (96, 2408840), (98, 2359680), (105, 2202368), (112, 2064720), (120, 1927072), (128, 1806630), (140, 1651776), (147, 1573120), (160, 1445304), (168, 1376480), (192, 1204420), (196, 1179840), (210, 1101184), (224, 1032360), (240, 963536), (245, 943872), (256, 903315), (280, 825888), (294, 786560), (320, 722652), (336, 688240), (384, 602210), (392, 589920), (420, 550592), (448, 516180), (480, 481768), (490, 471936), (560, 412944), (588, 393280), (640, 361326), (672, 344120), (735, 314624), (768, 301105), (784, 294960), (840, 275296), (896, 258090), (960, 240884), (980, 235968), (1120, 206472), (1176, 196640), (1229, 188160), (1280, 180663), (1344, 172060), (1470, 157312), (1568, 147480), (1680, 137648), (1792, 129045), (1920, 120442), (1960, 117984), (2240, 103236), (2352, 98320), (2458, 94080), (2688, 86030), (2940, 78656), (3136, 73740), (3360, 68824), (3687, 62720), (3840, 60221), (3920, 58992), (4480, 51618), (4704, 49160), (4916, 47040), (5376, 43015), (5880, 39328), (6145, 37632), (6272, 36870), (6720, 34412), (7374, 31360), (7840, 29496), (8603, 26880), (8960, 25809), (9408, 24580), (9832, 23520), (11760, 19664), (12290, 18816), (12544, 18435), (13440, 17206), (14748, 15680)]