257525520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 320

約数和(自身を含む): 987365376

約数和(自身を除く): 729839856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 71, 80, 84, 85, 102, 105, 112, 119, 120, 127, 136, 140, 142, 168, 170, 204, 210, 213, 238, 240, 254, 255, 272, 280, 284, 336, 340, 355, 357, 381, 408, 420, 426, 476, 497, 508, 510, 560, 568, 595, 635, 680, 710, 714, 762, 816, 840, 852, 889, 952, 994, 1016, 1020, 1065, 1136, 1190, 1207, 1270, 1360, 1420, 1428, 1491, 1524, 1680, 1704, 1778, 1785, 1904, 1905, 1988, 2032, 2040, 2130, 2159, 2380, 2414, 2485, 2540, 2667, 2840, 2856, 2982, 3048, 3408, 3556, 3570, 3621, 3810, 3976, 4080, 4260, 4318, 4445, 4760, 4828, 4970, 5080, 5334, 5680, 5712, 5964, 6035, 6096, 6477, 7112, 7140, 7242, 7455, 7620, 7952, 8449, 8520, 8636, 8890, 9017, 9520, 9656, 9940, 10160, 10668, 10795, 11928, 12070, 12954, 13335, 14224, 14280, 14484, 14910, 15113, 15240, 16898, 17040, 17272, 17780, 18034, 18105, 19312, 19880, 21336, 21590, 23856, 24140, 25347, 25908, 26670, 27051, 28560, 28968, 29820, 30226, 30480, 32385, 33796, 34544, 35560, 36068, 36210, 39760, 42245, 42672, 43180, 45085, 45339, 48280, 50694, 51816, 53340, 54102, 57936, 59640, 60452, 63119, 64770, 67592, 71120, 72136, 72420, 75565, 84490, 86360, 90170, 90678, 96560, 101388, 103632, 106680, 108204, 119280, 120904, 126238, 126735, 129540, 135184, 135255, 144272, 144840, 151130, 153289, 168980, 172720, 180340, 181356, 189357, 202776, 213360, 216408, 226695, 241808, 252476, 253470, 259080, 270510, 289680, 302260, 306578, 315595, 337960, 360680, 362712, 378714, 405552, 432816, 453390, 459867, 504952, 506940, 518160, 541020, 604520, 613156, 631190, 675920, 721360, 725424, 757428, 766445, 906780, 919734, 946785, 1009904, 1013880, 1073023, 1082040, 1209040, 1226312, 1262380, 1514856, 1532890, 1813560, 1839468, 1893570, 2027760, 2146046, 2164080, 2299335, 2452624, 2524760, 3029712, 3065780, 3219069, 3627120, 3678936, 3787140, 4292092, 4598670, 5049520, 5365115, 6131560, 6438138, 7357872, 7574280, 8584184, 9197340, 10730230, 12263120, 12876276, 15148560, 16095345, 17168368, 18394680, 21460460, 25752552, 32190690, 36789360, 42920920, 51505104, 64381380, 85841840, 128762760, 257525520]

約数ペア:

[(1, 257525520), (2, 128762760), (3, 85841840), (4, 64381380), (5, 51505104), (6, 42920920), (7, 36789360), (8, 32190690), (10, 25752552), (12, 21460460), (14, 18394680), (15, 17168368), (16, 16095345), (17, 15148560), (20, 12876276), (21, 12263120), (24, 10730230), (28, 9197340), (30, 8584184), (34, 7574280), (35, 7357872), (40, 6438138), (42, 6131560), (48, 5365115), (51, 5049520), (56, 4598670), (60, 4292092), (68, 3787140), (70, 3678936), (71, 3627120), (80, 3219069), (84, 3065780), (85, 3029712), (102, 2524760), (105, 2452624), (112, 2299335), (119, 2164080), (120, 2146046), (127, 2027760), (136, 1893570), (140, 1839468), (142, 1813560), (168, 1532890), (170, 1514856), (204, 1262380), (210, 1226312), (213, 1209040), (238, 1082040), (240, 1073023), (254, 1013880), (255, 1009904), (272, 946785), (280, 919734), (284, 906780), (336, 766445), (340, 757428), (355, 725424), (357, 721360), (381, 675920), (408, 631190), (420, 613156), (426, 604520), (476, 541020), (497, 518160), (508, 506940), (510, 504952), (560, 459867), (568, 453390), (595, 432816), (635, 405552), (680, 378714), (710, 362712), (714, 360680), (762, 337960), (816, 315595), (840, 306578), (852, 302260), (889, 289680), (952, 270510), (994, 259080), (1016, 253470), (1020, 252476), (1065, 241808), (1136, 226695), (1190, 216408), (1207, 213360), (1270, 202776), (1360, 189357), (1420, 181356), (1428, 180340), (1491, 172720), (1524, 168980), (1680, 153289), (1704, 151130), (1778, 144840), (1785, 144272), (1904, 135255), (1905, 135184), (1988, 129540), (2032, 126735), (2040, 126238), (2130, 120904), (2159, 119280), (2380, 108204), (2414, 106680), (2485, 103632), (2540, 101388), (2667, 96560), (2840, 90678), (2856, 90170), (2982, 86360), (3048, 84490), (3408, 75565), (3556, 72420), (3570, 72136), (3621, 71120), (3810, 67592), (3976, 64770), (4080, 63119), (4260, 60452), (4318, 59640), (4445, 57936), (4760, 54102), (4828, 53340), (4970, 51816), (5080, 50694), (5334, 48280), (5680, 45339), (5712, 45085), (5964, 43180), (6035, 42672), (6096, 42245), (6477, 39760), (7112, 36210), (7140, 36068), (7242, 35560), (7455, 34544), (7620, 33796), (7952, 32385), (8449, 30480), (8520, 30226), (8636, 29820), (8890, 28968), (9017, 28560), (9520, 27051), (9656, 26670), (9940, 25908), (10160, 25347), (10668, 24140), (10795, 23856), (11928, 21590), (12070, 21336), (12954, 19880), (13335, 19312), (14224, 18105), (14280, 18034), (14484, 17780), (14910, 17272), (15113, 17040), (15240, 16898)]