281306928

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:539

約数の個数: 160

約数和(自身を含む): 878515200

約数和(自身を除く): 597208272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 89, 92, 112, 138, 161, 168, 178, 184, 267, 276, 322, 336, 356, 368, 409, 483, 534, 552, 623, 644, 712, 818, 966, 1068, 1104, 1227, 1246, 1288, 1424, 1636, 1869, 1932, 2047, 2136, 2454, 2492, 2576, 2863, 3272, 3738, 3864, 4094, 4272, 4908, 4984, 5726, 6141, 6544, 7476, 7728, 8188, 8589, 9407, 9816, 9968, 11452, 12282, 14329, 14952, 16376, 17178, 18814, 19632, 22904, 24564, 28221, 28658, 29904, 32752, 34356, 36401, 37628, 42987, 45808, 49128, 56442, 57316, 65849, 68712, 72802, 75256, 85974, 98256, 109203, 112884, 114632, 131698, 137424, 145604, 150512, 171948, 197547, 218406, 225768, 229264, 254807, 263396, 291208, 343896, 395094, 436812, 451536, 509614, 526792, 582416, 687792, 764421, 790188, 837223, 873624, 1019228, 1053584, 1528842, 1580376, 1674446, 1747248, 2038456, 2511669, 3057684, 3160752, 3348892, 4076912, 5023338, 5860561, 6115368, 6697784, 10046676, 11721122, 12230736, 13395568, 17581683, 20093352, 23442244, 35163366, 40186704, 46884488, 70326732, 93768976, 140653464, 281306928]

約数ペア:

[(1, 281306928), (2, 140653464), (3, 93768976), (4, 70326732), (6, 46884488), (7, 40186704), (8, 35163366), (12, 23442244), (14, 20093352), (16, 17581683), (21, 13395568), (23, 12230736), (24, 11721122), (28, 10046676), (42, 6697784), (46, 6115368), (48, 5860561), (56, 5023338), (69, 4076912), (84, 3348892), (89, 3160752), (92, 3057684), (112, 2511669), (138, 2038456), (161, 1747248), (168, 1674446), (178, 1580376), (184, 1528842), (267, 1053584), (276, 1019228), (322, 873624), (336, 837223), (356, 790188), (368, 764421), (409, 687792), (483, 582416), (534, 526792), (552, 509614), (623, 451536), (644, 436812), (712, 395094), (818, 343896), (966, 291208), (1068, 263396), (1104, 254807), (1227, 229264), (1246, 225768), (1288, 218406), (1424, 197547), (1636, 171948), (1869, 150512), (1932, 145604), (2047, 137424), (2136, 131698), (2454, 114632), (2492, 112884), (2576, 109203), (2863, 98256), (3272, 85974), (3738, 75256), (3864, 72802), (4094, 68712), (4272, 65849), (4908, 57316), (4984, 56442), (5726, 49128), (6141, 45808), (6544, 42987), (7476, 37628), (7728, 36401), (8188, 34356), (8589, 32752), (9407, 29904), (9816, 28658), (9968, 28221), (11452, 24564), (12282, 22904), (14329, 19632), (14952, 18814), (16376, 17178)]