257582640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 320

約数和(自身を含む): 1002792960

約数和(自身を除く): 745210320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 29, 30, 34, 35, 40, 42, 48, 51, 56, 58, 60, 68, 70, 80, 84, 85, 87, 102, 105, 112, 116, 119, 120, 136, 140, 145, 168, 170, 174, 203, 204, 210, 232, 238, 240, 255, 272, 280, 290, 311, 336, 340, 348, 357, 406, 408, 420, 435, 464, 476, 493, 510, 560, 580, 595, 609, 622, 680, 696, 714, 812, 816, 840, 870, 933, 952, 986, 1015, 1020, 1160, 1190, 1218, 1244, 1360, 1392, 1428, 1479, 1555, 1624, 1680, 1740, 1785, 1866, 1904, 1972, 2030, 2040, 2177, 2320, 2380, 2436, 2465, 2488, 2856, 2958, 3045, 3110, 3248, 3451, 3480, 3570, 3732, 3944, 4060, 4080, 4354, 4665, 4760, 4872, 4930, 4976, 5287, 5712, 5916, 6090, 6220, 6531, 6902, 6960, 7140, 7395, 7464, 7888, 8120, 8708, 9019, 9330, 9520, 9744, 9860, 10353, 10574, 10885, 11832, 12180, 12440, 13062, 13804, 14280, 14790, 14928, 15861, 16240, 17255, 17416, 18038, 18660, 19720, 20706, 21148, 21770, 23664, 24360, 24880, 26124, 26435, 27057, 27608, 28560, 29580, 31722, 32655, 34510, 34832, 36076, 37009, 37320, 39440, 41412, 42296, 43540, 45095, 48720, 51765, 52248, 52870, 54114, 55216, 59160, 63133, 63444, 65310, 69020, 72152, 74018, 74640, 79305, 82824, 84592, 87080, 90190, 103530, 104496, 105740, 108228, 111027, 118320, 126266, 126888, 130620, 135285, 138040, 144304, 148036, 153323, 158610, 165648, 174160, 180380, 185045, 189399, 207060, 211480, 216456, 222054, 252532, 253776, 261240, 270570, 276080, 296072, 306646, 315665, 317220, 360760, 370090, 378798, 414120, 422960, 432912, 444108, 459969, 505064, 522480, 541140, 555135, 592144, 613292, 631330, 634440, 721520, 740180, 757596, 766615, 828240, 888216, 919938, 946995, 1010128, 1073261, 1082280, 1110270, 1226584, 1262660, 1268880, 1480360, 1515192, 1533230, 1776432, 1839876, 1893990, 2146522, 2164560, 2220540, 2299845, 2453168, 2525320, 2960720, 3030384, 3066460, 3219783, 3679752, 3787980, 4293044, 4441080, 4599690, 5050640, 5366305, 6132920, 6439566, 7359504, 7575960, 8586088, 8882160, 9199380, 10732610, 12265840, 12879132, 15151920, 16098915, 17172176, 18398760, 21465220, 25758264, 32197830, 36797520, 42930440, 51516528, 64395660, 85860880, 128791320, 257582640]

約数ペア:

[(1, 257582640), (2, 128791320), (3, 85860880), (4, 64395660), (5, 51516528), (6, 42930440), (7, 36797520), (8, 32197830), (10, 25758264), (12, 21465220), (14, 18398760), (15, 17172176), (16, 16098915), (17, 15151920), (20, 12879132), (21, 12265840), (24, 10732610), (28, 9199380), (29, 8882160), (30, 8586088), (34, 7575960), (35, 7359504), (40, 6439566), (42, 6132920), (48, 5366305), (51, 5050640), (56, 4599690), (58, 4441080), (60, 4293044), (68, 3787980), (70, 3679752), (80, 3219783), (84, 3066460), (85, 3030384), (87, 2960720), (102, 2525320), (105, 2453168), (112, 2299845), (116, 2220540), (119, 2164560), (120, 2146522), (136, 1893990), (140, 1839876), (145, 1776432), (168, 1533230), (170, 1515192), (174, 1480360), (203, 1268880), (204, 1262660), (210, 1226584), (232, 1110270), (238, 1082280), (240, 1073261), (255, 1010128), (272, 946995), (280, 919938), (290, 888216), (311, 828240), (336, 766615), (340, 757596), (348, 740180), (357, 721520), (406, 634440), (408, 631330), (420, 613292), (435, 592144), (464, 555135), (476, 541140), (493, 522480), (510, 505064), (560, 459969), (580, 444108), (595, 432912), (609, 422960), (622, 414120), (680, 378798), (696, 370090), (714, 360760), (812, 317220), (816, 315665), (840, 306646), (870, 296072), (933, 276080), (952, 270570), (986, 261240), (1015, 253776), (1020, 252532), (1160, 222054), (1190, 216456), (1218, 211480), (1244, 207060), (1360, 189399), (1392, 185045), (1428, 180380), (1479, 174160), (1555, 165648), (1624, 158610), (1680, 153323), (1740, 148036), (1785, 144304), (1866, 138040), (1904, 135285), (1972, 130620), (2030, 126888), (2040, 126266), (2177, 118320), (2320, 111027), (2380, 108228), (2436, 105740), (2465, 104496), (2488, 103530), (2856, 90190), (2958, 87080), (3045, 84592), (3110, 82824), (3248, 79305), (3451, 74640), (3480, 74018), (3570, 72152), (3732, 69020), (3944, 65310), (4060, 63444), (4080, 63133), (4354, 59160), (4665, 55216), (4760, 54114), (4872, 52870), (4930, 52248), (4976, 51765), (5287, 48720), (5712, 45095), (5916, 43540), (6090, 42296), (6220, 41412), (6531, 39440), (6902, 37320), (6960, 37009), (7140, 36076), (7395, 34832), (7464, 34510), (7888, 32655), (8120, 31722), (8708, 29580), (9019, 28560), (9330, 27608), (9520, 27057), (9744, 26435), (9860, 26124), (10353, 24880), (10574, 24360), (10885, 23664), (11832, 21770), (12180, 21148), (12440, 20706), (13062, 19720), (13804, 18660), (14280, 18038), (14790, 17416), (14928, 17255), (15861, 16240)]