258280960

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 240

約数和(自身を含む): 755710560

約数和(自身を除く): 497429600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 71, 80, 98, 112, 116, 128, 140, 142, 145, 160, 196, 203, 224, 232, 245, 256, 280, 284, 290, 320, 355, 392, 406, 448, 464, 490, 497, 512, 560, 568, 580, 640, 710, 784, 812, 896, 928, 980, 994, 1015, 1120, 1136, 1160, 1280, 1420, 1421, 1568, 1624, 1792, 1856, 1960, 1988, 2030, 2059, 2240, 2272, 2320, 2485, 2560, 2840, 2842, 3136, 3248, 3479, 3584, 3712, 3920, 3976, 4060, 4118, 4480, 4544, 4640, 4970, 5680, 5684, 6272, 6496, 6958, 7105, 7424, 7840, 7952, 8120, 8236, 8960, 9088, 9280, 9940, 10295, 11360, 11368, 12544, 12992, 13916, 14210, 14413, 14848, 15680, 15904, 16240, 16472, 17395, 17920, 18176, 18560, 19880, 20590, 22720, 22736, 25088, 25984, 27832, 28420, 28826, 31360, 31808, 32480, 32944, 34790, 36352, 37120, 39760, 41180, 45440, 45472, 51968, 55664, 56840, 57652, 62720, 63616, 64960, 65888, 69580, 72065, 74240, 79520, 82360, 90880, 90944, 100891, 103936, 111328, 113680, 115304, 125440, 127232, 129920, 131776, 139160, 144130, 159040, 164720, 181760, 181888, 201782, 222656, 227360, 230608, 254464, 259840, 263552, 278320, 288260, 318080, 329440, 363776, 403564, 445312, 454720, 461216, 504455, 519680, 527104, 556640, 576520, 636160, 658880, 727552, 807128, 890624, 909440, 922432, 1008910, 1054208, 1113280, 1153040, 1272320, 1317760, 1614256, 1781248, 1818880, 1844864, 2017820, 2226560, 2306080, 2635520, 3228512, 3637760, 3689728, 4035640, 4453120, 4612160, 5271040, 6457024, 7379456, 8071280, 8906240, 9224320, 12914048, 16142560, 18448640, 25828096, 32285120, 36897280, 51656192, 64570240, 129140480, 258280960]

約数ペア:

[(1, 258280960), (2, 129140480), (4, 64570240), (5, 51656192), (7, 36897280), (8, 32285120), (10, 25828096), (14, 18448640), (16, 16142560), (20, 12914048), (28, 9224320), (29, 8906240), (32, 8071280), (35, 7379456), (40, 6457024), (49, 5271040), (56, 4612160), (58, 4453120), (64, 4035640), (70, 3689728), (71, 3637760), (80, 3228512), (98, 2635520), (112, 2306080), (116, 2226560), (128, 2017820), (140, 1844864), (142, 1818880), (145, 1781248), (160, 1614256), (196, 1317760), (203, 1272320), (224, 1153040), (232, 1113280), (245, 1054208), (256, 1008910), (280, 922432), (284, 909440), (290, 890624), (320, 807128), (355, 727552), (392, 658880), (406, 636160), (448, 576520), (464, 556640), (490, 527104), (497, 519680), (512, 504455), (560, 461216), (568, 454720), (580, 445312), (640, 403564), (710, 363776), (784, 329440), (812, 318080), (896, 288260), (928, 278320), (980, 263552), (994, 259840), (1015, 254464), (1120, 230608), (1136, 227360), (1160, 222656), (1280, 201782), (1420, 181888), (1421, 181760), (1568, 164720), (1624, 159040), (1792, 144130), (1856, 139160), (1960, 131776), (1988, 129920), (2030, 127232), (2059, 125440), (2240, 115304), (2272, 113680), (2320, 111328), (2485, 103936), (2560, 100891), (2840, 90944), (2842, 90880), (3136, 82360), (3248, 79520), (3479, 74240), (3584, 72065), (3712, 69580), (3920, 65888), (3976, 64960), (4060, 63616), (4118, 62720), (4480, 57652), (4544, 56840), (4640, 55664), (4970, 51968), (5680, 45472), (5684, 45440), (6272, 41180), (6496, 39760), (6958, 37120), (7105, 36352), (7424, 34790), (7840, 32944), (7952, 32480), (8120, 31808), (8236, 31360), (8960, 28826), (9088, 28420), (9280, 27832), (9940, 25984), (10295, 25088), (11360, 22736), (11368, 22720), (12544, 20590), (12992, 19880), (13916, 18560), (14210, 18176), (14413, 17920), (14848, 17395), (15680, 16472), (15904, 16240)]