254661120

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{1579}}^1$

素因数の和:1615

約数の個数: 240

約数和(自身を含む): 1008596160

約数和(自身を除く): 753935040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1579, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3158, 3360, 3584, 3840, 4032, 4480, 4608, 4737, 5040, 5376, 5760, 6316, 6720, 7680, 7895, 8064, 8960, 9474, 10080, 10752, 11053, 11520, 12632, 13440, 14211, 15790, 16128, 17920, 18948, 20160, 22106, 23040, 23685, 25264, 26880, 28422, 31580, 32256, 33159, 37896, 40320, 44212, 47370, 50528, 53760, 55265, 56844, 63160, 66318, 71055, 75792, 80640, 88424, 94740, 99477, 101056, 110530, 113688, 126320, 132636, 142110, 151584, 161280, 165795, 176848, 189480, 198954, 202112, 221060, 227376, 252640, 265272, 284220, 303168, 331590, 353696, 378960, 397908, 404224, 442120, 454752, 497385, 505280, 530544, 568440, 606336, 663180, 707392, 757920, 795816, 808448, 884240, 909504, 994770, 1010560, 1061088, 1136880, 1212672, 1326360, 1414784, 1515840, 1591632, 1768480, 1819008, 1989540, 2021120, 2122176, 2273760, 2425344, 2652720, 2829568, 3031680, 3183264, 3536960, 3638016, 3979080, 4042240, 4244352, 4547520, 5305440, 5659136, 6063360, 6366528, 7073920, 7276032, 7958160, 8488704, 9095040, 10610880, 12126720, 12733056, 14147840, 15916320, 16977408, 18190080, 21221760, 25466112, 28295680, 31832640, 36380160, 42443520, 50932224, 63665280, 84887040, 127330560, 254661120]

約数ペア:

[(1, 254661120), (2, 127330560), (3, 84887040), (4, 63665280), (5, 50932224), (6, 42443520), (7, 36380160), (8, 31832640), (9, 28295680), (10, 25466112), (12, 21221760), (14, 18190080), (15, 16977408), (16, 15916320), (18, 14147840), (20, 12733056), (21, 12126720), (24, 10610880), (28, 9095040), (30, 8488704), (32, 7958160), (35, 7276032), (36, 7073920), (40, 6366528), (42, 6063360), (45, 5659136), (48, 5305440), (56, 4547520), (60, 4244352), (63, 4042240), (64, 3979080), (70, 3638016), (72, 3536960), (80, 3183264), (84, 3031680), (90, 2829568), (96, 2652720), (105, 2425344), (112, 2273760), (120, 2122176), (126, 2021120), (128, 1989540), (140, 1819008), (144, 1768480), (160, 1591632), (168, 1515840), (180, 1414784), (192, 1326360), (210, 1212672), (224, 1136880), (240, 1061088), (252, 1010560), (256, 994770), (280, 909504), (288, 884240), (315, 808448), (320, 795816), (336, 757920), (360, 707392), (384, 663180), (420, 606336), (448, 568440), (480, 530544), (504, 505280), (512, 497385), (560, 454752), (576, 442120), (630, 404224), (640, 397908), (672, 378960), (720, 353696), (768, 331590), (840, 303168), (896, 284220), (960, 265272), (1008, 252640), (1120, 227376), (1152, 221060), (1260, 202112), (1280, 198954), (1344, 189480), (1440, 176848), (1536, 165795), (1579, 161280), (1680, 151584), (1792, 142110), (1920, 132636), (2016, 126320), (2240, 113688), (2304, 110530), (2520, 101056), (2560, 99477), (2688, 94740), (2880, 88424), (3158, 80640), (3360, 75792), (3584, 71055), (3840, 66318), (4032, 63160), (4480, 56844), (4608, 55265), (4737, 53760), (5040, 50528), (5376, 47370), (5760, 44212), (6316, 40320), (6720, 37896), (7680, 33159), (7895, 32256), (8064, 31580), (8960, 28422), (9474, 26880), (10080, 25264), (10752, 23685), (11053, 23040), (11520, 22106), (12632, 20160), (13440, 18948), (14211, 17920), (15790, 16128)]