257798688

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:431

約数の個数: 192

約数和(自身を含む): 829946880

約数和(自身を除く): 572148192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 61, 76, 84, 96, 112, 114, 122, 133, 152, 168, 183, 224, 228, 244, 266, 304, 331, 336, 366, 399, 427, 456, 488, 532, 608, 662, 672, 732, 798, 854, 912, 976, 993, 1064, 1159, 1281, 1324, 1464, 1596, 1708, 1824, 1952, 1986, 2128, 2317, 2318, 2562, 2648, 2928, 3192, 3416, 3477, 3972, 4256, 4634, 4636, 5124, 5296, 5856, 6289, 6384, 6832, 6951, 6954, 7944, 8113, 9268, 9272, 10248, 10592, 12578, 12768, 13664, 13902, 13908, 15888, 16226, 18536, 18544, 18867, 20191, 20496, 24339, 25156, 27804, 27816, 31776, 32452, 37072, 37088, 37734, 40382, 40992, 44023, 48678, 50312, 55608, 55632, 60573, 64904, 74144, 75468, 80764, 88046, 97356, 100624, 111216, 111264, 121146, 129808, 132069, 141337, 150936, 161528, 176092, 194712, 201248, 222432, 242292, 259616, 264138, 282674, 301872, 323056, 352184, 383629, 389424, 424011, 484584, 528276, 565348, 603744, 646112, 704368, 767258, 778848, 848022, 969168, 1056552, 1130696, 1150887, 1408736, 1534516, 1696044, 1938336, 2113104, 2261392, 2301774, 2685403, 3069032, 3392088, 4226208, 4522784, 4603548, 5370806, 6138064, 6784176, 8056209, 9207096, 10741612, 12276128, 13568352, 16112418, 18414192, 21483224, 32224836, 36828384, 42966448, 64449672, 85932896, 128899344, 257798688]

約数ペア:

[(1, 257798688), (2, 128899344), (3, 85932896), (4, 64449672), (6, 42966448), (7, 36828384), (8, 32224836), (12, 21483224), (14, 18414192), (16, 16112418), (19, 13568352), (21, 12276128), (24, 10741612), (28, 9207096), (32, 8056209), (38, 6784176), (42, 6138064), (48, 5370806), (56, 4603548), (57, 4522784), (61, 4226208), (76, 3392088), (84, 3069032), (96, 2685403), (112, 2301774), (114, 2261392), (122, 2113104), (133, 1938336), (152, 1696044), (168, 1534516), (183, 1408736), (224, 1150887), (228, 1130696), (244, 1056552), (266, 969168), (304, 848022), (331, 778848), (336, 767258), (366, 704368), (399, 646112), (427, 603744), (456, 565348), (488, 528276), (532, 484584), (608, 424011), (662, 389424), (672, 383629), (732, 352184), (798, 323056), (854, 301872), (912, 282674), (976, 264138), (993, 259616), (1064, 242292), (1159, 222432), (1281, 201248), (1324, 194712), (1464, 176092), (1596, 161528), (1708, 150936), (1824, 141337), (1952, 132069), (1986, 129808), (2128, 121146), (2317, 111264), (2318, 111216), (2562, 100624), (2648, 97356), (2928, 88046), (3192, 80764), (3416, 75468), (3477, 74144), (3972, 64904), (4256, 60573), (4634, 55632), (4636, 55608), (5124, 50312), (5296, 48678), (5856, 44023), (6289, 40992), (6384, 40382), (6832, 37734), (6951, 37088), (6954, 37072), (7944, 32452), (8113, 31776), (9268, 27816), (9272, 27804), (10248, 25156), (10592, 24339), (12578, 20496), (12768, 20191), (13664, 18867), (13902, 18544), (13908, 18536), (15888, 16226)]