257265624

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 256

約数和(自身を含む): 895795200

約数和(自身を除く): 638529576

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 19, 21, 22, 24, 28, 33, 34, 38, 42, 44, 51, 56, 57, 66, 68, 76, 77, 84, 88, 102, 114, 119, 132, 133, 136, 152, 154, 168, 187, 204, 209, 228, 231, 238, 264, 266, 308, 323, 357, 374, 399, 408, 418, 431, 456, 462, 476, 532, 561, 616, 627, 646, 714, 748, 798, 836, 862, 924, 952, 969, 1064, 1122, 1254, 1292, 1293, 1309, 1428, 1463, 1496, 1596, 1672, 1724, 1848, 1938, 2244, 2261, 2508, 2584, 2586, 2618, 2856, 2926, 3017, 3192, 3448, 3553, 3876, 3927, 4389, 4488, 4522, 4741, 5016, 5172, 5236, 5852, 6034, 6783, 7106, 7327, 7752, 7854, 8189, 8778, 9044, 9051, 9482, 10344, 10472, 10659, 11704, 12068, 13566, 14212, 14223, 14654, 15708, 16378, 17556, 18088, 18102, 18964, 21318, 21981, 24136, 24567, 24871, 27132, 28424, 28446, 29308, 31416, 32756, 33187, 35112, 36204, 37928, 42636, 43962, 49134, 49742, 51289, 54264, 56892, 57323, 58616, 65512, 66374, 72408, 74613, 80597, 85272, 87924, 90079, 98268, 99484, 99561, 102578, 113784, 114646, 132748, 139213, 149226, 153867, 161194, 171969, 175848, 180158, 196536, 198968, 199122, 205156, 229292, 241791, 265496, 270237, 278426, 298452, 307734, 322388, 343938, 360316, 398244, 410312, 417639, 458584, 483582, 540474, 556852, 564179, 596904, 615468, 630553, 644776, 687876, 720632, 796488, 835278, 967164, 974491, 1080948, 1113704, 1128358, 1230936, 1261106, 1375752, 1531343, 1670556, 1692537, 1891659, 1934328, 1948982, 2161896, 2256716, 2522212, 2923473, 3062686, 3341112, 3385074, 3783318, 3897964, 4513432, 4594029, 5044424, 5846946, 6125372, 6770148, 7566636, 7795928, 9188058, 10719401, 11693892, 12250744, 13540296, 15133272, 18376116, 21438802, 23387784, 32158203, 36752232, 42877604, 64316406, 85755208, 128632812, 257265624]

約数ペア:

[(1, 257265624), (2, 128632812), (3, 85755208), (4, 64316406), (6, 42877604), (7, 36752232), (8, 32158203), (11, 23387784), (12, 21438802), (14, 18376116), (17, 15133272), (19, 13540296), (21, 12250744), (22, 11693892), (24, 10719401), (28, 9188058), (33, 7795928), (34, 7566636), (38, 6770148), (42, 6125372), (44, 5846946), (51, 5044424), (56, 4594029), (57, 4513432), (66, 3897964), (68, 3783318), (76, 3385074), (77, 3341112), (84, 3062686), (88, 2923473), (102, 2522212), (114, 2256716), (119, 2161896), (132, 1948982), (133, 1934328), (136, 1891659), (152, 1692537), (154, 1670556), (168, 1531343), (187, 1375752), (204, 1261106), (209, 1230936), (228, 1128358), (231, 1113704), (238, 1080948), (264, 974491), (266, 967164), (308, 835278), (323, 796488), (357, 720632), (374, 687876), (399, 644776), (408, 630553), (418, 615468), (431, 596904), (456, 564179), (462, 556852), (476, 540474), (532, 483582), (561, 458584), (616, 417639), (627, 410312), (646, 398244), (714, 360316), (748, 343938), (798, 322388), (836, 307734), (862, 298452), (924, 278426), (952, 270237), (969, 265496), (1064, 241791), (1122, 229292), (1254, 205156), (1292, 199122), (1293, 198968), (1309, 196536), (1428, 180158), (1463, 175848), (1496, 171969), (1596, 161194), (1672, 153867), (1724, 149226), (1848, 139213), (1938, 132748), (2244, 114646), (2261, 113784), (2508, 102578), (2584, 99561), (2586, 99484), (2618, 98268), (2856, 90079), (2926, 87924), (3017, 85272), (3192, 80597), (3448, 74613), (3553, 72408), (3876, 66374), (3927, 65512), (4389, 58616), (4488, 57323), (4522, 56892), (4741, 54264), (5016, 51289), (5172, 49742), (5236, 49134), (5852, 43962), (6034, 42636), (6783, 37928), (7106, 36204), (7327, 35112), (7752, 33187), (7854, 32756), (8189, 31416), (8778, 29308), (9044, 28446), (9051, 28424), (9482, 27132), (10344, 24871), (10472, 24567), (10659, 24136), (11704, 21981), (12068, 21318), (13566, 18964), (14212, 18102), (14223, 18088), (14654, 17556), (15708, 16378)]