257335680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:537

約数の個数: 256

約数和(自身を含む): 962357760

約数和(自身を除く): 705022080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 64, 70, 80, 82, 84, 96, 105, 112, 120, 123, 128, 140, 160, 164, 168, 192, 205, 210, 224, 240, 246, 280, 287, 320, 328, 336, 384, 410, 420, 448, 467, 480, 492, 560, 574, 615, 640, 656, 672, 820, 840, 861, 896, 934, 960, 984, 1120, 1148, 1230, 1312, 1344, 1401, 1435, 1640, 1680, 1722, 1868, 1920, 1968, 2240, 2296, 2335, 2460, 2624, 2688, 2802, 2870, 3269, 3280, 3360, 3444, 3736, 3936, 4305, 4480, 4592, 4670, 4920, 5248, 5604, 5740, 6538, 6560, 6720, 6888, 7005, 7472, 7872, 8610, 9184, 9340, 9807, 9840, 11208, 11480, 13076, 13120, 13440, 13776, 14010, 14944, 15744, 16345, 17220, 18368, 18680, 19147, 19614, 19680, 22416, 22960, 26152, 26240, 27552, 28020, 29888, 32690, 34440, 36736, 37360, 38294, 39228, 39360, 44832, 45920, 49035, 52304, 55104, 56040, 57441, 59776, 65380, 68880, 74720, 76588, 78456, 78720, 89664, 91840, 95735, 98070, 104608, 110208, 112080, 114882, 130760, 134029, 137760, 149440, 153176, 156912, 179328, 183680, 191470, 196140, 209216, 224160, 229764, 261520, 268058, 275520, 287205, 298880, 306352, 313824, 382940, 392280, 402087, 418432, 448320, 459528, 523040, 536116, 551040, 574410, 612704, 627648, 670145, 765880, 784560, 804174, 896640, 919056, 1046080, 1072232, 1148820, 1225408, 1255296, 1340290, 1531760, 1569120, 1608348, 1838112, 2010435, 2092160, 2144464, 2297640, 2450816, 2680580, 3063520, 3138240, 3216696, 3676224, 4020870, 4288928, 4595280, 5361160, 6127040, 6276480, 6433392, 7352448, 8041740, 8577856, 9190560, 10722320, 12254080, 12866784, 16083480, 17155712, 18381120, 21444640, 25733568, 32166960, 36762240, 42889280, 51467136, 64333920, 85778560, 128667840, 257335680]

約数ペア:

[(1, 257335680), (2, 128667840), (3, 85778560), (4, 64333920), (5, 51467136), (6, 42889280), (7, 36762240), (8, 32166960), (10, 25733568), (12, 21444640), (14, 18381120), (15, 17155712), (16, 16083480), (20, 12866784), (21, 12254080), (24, 10722320), (28, 9190560), (30, 8577856), (32, 8041740), (35, 7352448), (40, 6433392), (41, 6276480), (42, 6127040), (48, 5361160), (56, 4595280), (60, 4288928), (64, 4020870), (70, 3676224), (80, 3216696), (82, 3138240), (84, 3063520), (96, 2680580), (105, 2450816), (112, 2297640), (120, 2144464), (123, 2092160), (128, 2010435), (140, 1838112), (160, 1608348), (164, 1569120), (168, 1531760), (192, 1340290), (205, 1255296), (210, 1225408), (224, 1148820), (240, 1072232), (246, 1046080), (280, 919056), (287, 896640), (320, 804174), (328, 784560), (336, 765880), (384, 670145), (410, 627648), (420, 612704), (448, 574410), (467, 551040), (480, 536116), (492, 523040), (560, 459528), (574, 448320), (615, 418432), (640, 402087), (656, 392280), (672, 382940), (820, 313824), (840, 306352), (861, 298880), (896, 287205), (934, 275520), (960, 268058), (984, 261520), (1120, 229764), (1148, 224160), (1230, 209216), (1312, 196140), (1344, 191470), (1401, 183680), (1435, 179328), (1640, 156912), (1680, 153176), (1722, 149440), (1868, 137760), (1920, 134029), (1968, 130760), (2240, 114882), (2296, 112080), (2335, 110208), (2460, 104608), (2624, 98070), (2688, 95735), (2802, 91840), (2870, 89664), (3269, 78720), (3280, 78456), (3360, 76588), (3444, 74720), (3736, 68880), (3936, 65380), (4305, 59776), (4480, 57441), (4592, 56040), (4670, 55104), (4920, 52304), (5248, 49035), (5604, 45920), (5740, 44832), (6538, 39360), (6560, 39228), (6720, 38294), (6888, 37360), (7005, 36736), (7472, 34440), (7872, 32690), (8610, 29888), (9184, 28020), (9340, 27552), (9807, 26240), (9840, 26152), (11208, 22960), (11480, 22416), (13076, 19680), (13120, 19614), (13440, 19147), (13776, 18680), (14010, 18368), (14944, 17220), (15744, 16345)]