257067264

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 732569600

約数和(自身を除く): 475502336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 79, 96, 114, 128, 152, 158, 192, 223, 228, 237, 256, 304, 316, 384, 446, 456, 474, 608, 632, 669, 768, 892, 912, 948, 1216, 1264, 1338, 1501, 1784, 1824, 1896, 2432, 2528, 2676, 3002, 3568, 3648, 3792, 4237, 4503, 4864, 5056, 5352, 6004, 7136, 7296, 7584, 8474, 9006, 10112, 10704, 12008, 12711, 14272, 14592, 15168, 16948, 17617, 18012, 20224, 21408, 24016, 25422, 28544, 30336, 33896, 35234, 36024, 42816, 48032, 50844, 52851, 57088, 60672, 67792, 70468, 72048, 85632, 96064, 101688, 105702, 135584, 140936, 144096, 171264, 192128, 203376, 211404, 271168, 281872, 288192, 334723, 384256, 406752, 422808, 542336, 563744, 576384, 669446, 813504, 845616, 1004169, 1084672, 1127488, 1152768, 1338892, 1627008, 1691232, 2008338, 2254976, 2677784, 3254016, 3382464, 4016676, 4509952, 5355568, 6764928, 8033352, 10711136, 13529856, 16066704, 21422272, 32133408, 42844544, 64266816, 85689088, 128533632, 257067264]

約数ペア:

[(1, 257067264), (2, 128533632), (3, 85689088), (4, 64266816), (6, 42844544), (8, 32133408), (12, 21422272), (16, 16066704), (19, 13529856), (24, 10711136), (32, 8033352), (38, 6764928), (48, 5355568), (57, 4509952), (64, 4016676), (76, 3382464), (79, 3254016), (96, 2677784), (114, 2254976), (128, 2008338), (152, 1691232), (158, 1627008), (192, 1338892), (223, 1152768), (228, 1127488), (237, 1084672), (256, 1004169), (304, 845616), (316, 813504), (384, 669446), (446, 576384), (456, 563744), (474, 542336), (608, 422808), (632, 406752), (669, 384256), (768, 334723), (892, 288192), (912, 281872), (948, 271168), (1216, 211404), (1264, 203376), (1338, 192128), (1501, 171264), (1784, 144096), (1824, 140936), (1896, 135584), (2432, 105702), (2528, 101688), (2676, 96064), (3002, 85632), (3568, 72048), (3648, 70468), (3792, 67792), (4237, 60672), (4503, 57088), (4864, 52851), (5056, 50844), (5352, 48032), (6004, 42816), (7136, 36024), (7296, 35234), (7584, 33896), (8474, 30336), (9006, 28544), (10112, 25422), (10704, 24016), (12008, 21408), (12711, 20224), (14272, 18012), (14592, 17617), (15168, 16948)]