254608640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 216

約数和(自身を含む): 727157088

約数和(自身を除く): 472548448

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 107, 110, 128, 130, 143, 160, 169, 176, 208, 214, 220, 256, 260, 286, 320, 338, 352, 416, 428, 440, 520, 535, 572, 640, 676, 704, 715, 832, 845, 856, 880, 1040, 1070, 1144, 1177, 1280, 1352, 1391, 1408, 1430, 1664, 1690, 1712, 1760, 1859, 2080, 2140, 2288, 2354, 2704, 2782, 2816, 2860, 3328, 3380, 3424, 3520, 3718, 4160, 4280, 4576, 4708, 5408, 5564, 5720, 5885, 6760, 6848, 6955, 7040, 7436, 8320, 8560, 9152, 9295, 9416, 10816, 11128, 11440, 11770, 13520, 13696, 13910, 14080, 14872, 15301, 16640, 17120, 18083, 18304, 18590, 18832, 21632, 22256, 22880, 23540, 27040, 27392, 27820, 29744, 30602, 34240, 36166, 36608, 37180, 37664, 43264, 44512, 45760, 47080, 54080, 55640, 59488, 61204, 68480, 72332, 74360, 75328, 76505, 89024, 90415, 91520, 94160, 108160, 111280, 118976, 122408, 136960, 144664, 148720, 150656, 153010, 178048, 180830, 183040, 188320, 198913, 216320, 222560, 237952, 244816, 289328, 297440, 301312, 306020, 356096, 361660, 376640, 397826, 445120, 475904, 489632, 578656, 594880, 612040, 723320, 753280, 795652, 890240, 979264, 994565, 1157312, 1189760, 1224080, 1446640, 1506560, 1591304, 1780480, 1958528, 1989130, 2314624, 2379520, 2448160, 2893280, 3182608, 3917056, 3978260, 4629248, 4896320, 5786560, 6365216, 7956520, 9792640, 11573120, 12730432, 15913040, 19585280, 23146240, 25460864, 31826080, 50921728, 63652160, 127304320, 254608640]

約数ペア:

[(1, 254608640), (2, 127304320), (4, 63652160), (5, 50921728), (8, 31826080), (10, 25460864), (11, 23146240), (13, 19585280), (16, 15913040), (20, 12730432), (22, 11573120), (26, 9792640), (32, 7956520), (40, 6365216), (44, 5786560), (52, 4896320), (55, 4629248), (64, 3978260), (65, 3917056), (80, 3182608), (88, 2893280), (104, 2448160), (107, 2379520), (110, 2314624), (128, 1989130), (130, 1958528), (143, 1780480), (160, 1591304), (169, 1506560), (176, 1446640), (208, 1224080), (214, 1189760), (220, 1157312), (256, 994565), (260, 979264), (286, 890240), (320, 795652), (338, 753280), (352, 723320), (416, 612040), (428, 594880), (440, 578656), (520, 489632), (535, 475904), (572, 445120), (640, 397826), (676, 376640), (704, 361660), (715, 356096), (832, 306020), (845, 301312), (856, 297440), (880, 289328), (1040, 244816), (1070, 237952), (1144, 222560), (1177, 216320), (1280, 198913), (1352, 188320), (1391, 183040), (1408, 180830), (1430, 178048), (1664, 153010), (1690, 150656), (1712, 148720), (1760, 144664), (1859, 136960), (2080, 122408), (2140, 118976), (2288, 111280), (2354, 108160), (2704, 94160), (2782, 91520), (2816, 90415), (2860, 89024), (3328, 76505), (3380, 75328), (3424, 74360), (3520, 72332), (3718, 68480), (4160, 61204), (4280, 59488), (4576, 55640), (4708, 54080), (5408, 47080), (5564, 45760), (5720, 44512), (5885, 43264), (6760, 37664), (6848, 37180), (6955, 36608), (7040, 36166), (7436, 34240), (8320, 30602), (8560, 29744), (9152, 27820), (9295, 27392), (9416, 27040), (10816, 23540), (11128, 22880), (11440, 22256), (11770, 21632), (13520, 18832), (13696, 18590), (13910, 18304), (14080, 18083), (14872, 17120), (15301, 16640)]