257365584

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:714

約数の個数: 240

約数和(自身を含む): 910870272

約数和(自身を除く): 653504688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 23, 24, 28, 34, 36, 42, 46, 48, 51, 56, 63, 68, 69, 72, 84, 92, 102, 112, 119, 126, 136, 138, 144, 153, 161, 168, 184, 204, 207, 238, 252, 272, 276, 306, 322, 336, 357, 368, 391, 408, 414, 476, 483, 504, 552, 612, 644, 653, 714, 782, 816, 828, 952, 966, 1008, 1071, 1104, 1173, 1224, 1288, 1306, 1428, 1449, 1564, 1656, 1904, 1932, 1959, 2142, 2346, 2448, 2576, 2612, 2737, 2856, 2898, 3128, 3312, 3519, 3864, 3918, 4284, 4571, 4692, 5224, 5474, 5712, 5796, 5877, 6256, 7038, 7728, 7836, 8211, 8568, 9142, 9384, 10448, 10948, 11101, 11592, 11754, 13713, 14076, 15019, 15672, 16422, 17136, 18284, 18768, 21896, 22202, 23184, 23508, 24633, 27426, 28152, 30038, 31344, 32844, 33303, 36568, 41139, 43792, 44404, 45057, 47016, 49266, 54852, 56304, 60076, 65688, 66606, 73136, 77707, 82278, 88808, 90114, 94032, 98532, 99909, 105133, 109704, 120152, 131376, 133212, 135171, 155414, 164556, 177616, 180228, 197064, 199818, 210266, 219408, 233121, 240304, 255323, 266424, 270342, 310828, 315399, 329112, 360456, 394128, 399636, 420532, 466242, 510646, 532848, 540684, 621656, 630798, 658224, 699363, 720912, 765969, 799272, 841064, 932484, 946197, 1021292, 1081368, 1243312, 1261596, 1398726, 1531938, 1598544, 1682128, 1787261, 1864968, 1892394, 2042584, 2162736, 2297907, 2523192, 2797452, 3063876, 3574522, 3729936, 3784788, 4085168, 4595814, 5046384, 5361783, 5594904, 6127752, 7149044, 7569576, 9191628, 10723566, 11189808, 12255504, 14298088, 15139152, 16085349, 18383256, 21447132, 28596176, 32170698, 36766512, 42894264, 64341396, 85788528, 128682792, 257365584]

約数ペア:

[(1, 257365584), (2, 128682792), (3, 85788528), (4, 64341396), (6, 42894264), (7, 36766512), (8, 32170698), (9, 28596176), (12, 21447132), (14, 18383256), (16, 16085349), (17, 15139152), (18, 14298088), (21, 12255504), (23, 11189808), (24, 10723566), (28, 9191628), (34, 7569576), (36, 7149044), (42, 6127752), (46, 5594904), (48, 5361783), (51, 5046384), (56, 4595814), (63, 4085168), (68, 3784788), (69, 3729936), (72, 3574522), (84, 3063876), (92, 2797452), (102, 2523192), (112, 2297907), (119, 2162736), (126, 2042584), (136, 1892394), (138, 1864968), (144, 1787261), (153, 1682128), (161, 1598544), (168, 1531938), (184, 1398726), (204, 1261596), (207, 1243312), (238, 1081368), (252, 1021292), (272, 946197), (276, 932484), (306, 841064), (322, 799272), (336, 765969), (357, 720912), (368, 699363), (391, 658224), (408, 630798), (414, 621656), (476, 540684), (483, 532848), (504, 510646), (552, 466242), (612, 420532), (644, 399636), (653, 394128), (714, 360456), (782, 329112), (816, 315399), (828, 310828), (952, 270342), (966, 266424), (1008, 255323), (1071, 240304), (1104, 233121), (1173, 219408), (1224, 210266), (1288, 199818), (1306, 197064), (1428, 180228), (1449, 177616), (1564, 164556), (1656, 155414), (1904, 135171), (1932, 133212), (1959, 131376), (2142, 120152), (2346, 109704), (2448, 105133), (2576, 99909), (2612, 98532), (2737, 94032), (2856, 90114), (2898, 88808), (3128, 82278), (3312, 77707), (3519, 73136), (3864, 66606), (3918, 65688), (4284, 60076), (4571, 56304), (4692, 54852), (5224, 49266), (5474, 47016), (5712, 45057), (5796, 44404), (5877, 43792), (6256, 41139), (7038, 36568), (7728, 33303), (7836, 32844), (8211, 31344), (8568, 30038), (9142, 28152), (9384, 27426), (10448, 24633), (10948, 23508), (11101, 23184), (11592, 22202), (11754, 21896), (13713, 18768), (14076, 18284), (15019, 17136), (15672, 16422)]