257852160

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{829}}^1$

素因数の和:865

約数の個数: 216

約数和(自身を含む): 926299920

約数和(自身を除く): 668447760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 768, 810, 829, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1620, 1658, 1728, 1920, 1944, 2160, 2304, 2430, 2487, 2592, 2880, 3240, 3316, 3456, 3840, 3888, 4145, 4320, 4860, 4974, 5184, 5760, 6480, 6632, 6912, 7461, 7776, 8290, 8640, 9720, 9948, 10368, 11520, 12435, 12960, 13264, 14922, 15552, 16580, 17280, 19440, 19896, 20736, 22383, 24870, 25920, 26528, 29844, 31104, 33160, 34560, 37305, 38880, 39792, 44766, 49740, 51840, 53056, 59688, 62208, 66320, 67149, 74610, 77760, 79584, 89532, 99480, 103680, 106112, 111915, 119376, 132640, 134298, 149220, 155520, 159168, 179064, 198960, 201447, 212224, 223830, 238752, 265280, 268596, 298440, 311040, 318336, 335745, 358128, 397920, 402894, 447660, 477504, 530560, 537192, 596880, 636672, 671490, 716256, 795840, 805788, 895320, 955008, 1007235, 1061120, 1074384, 1193760, 1342980, 1432512, 1591680, 1611576, 1790640, 1910016, 2014470, 2148768, 2387520, 2685960, 2865024, 3183360, 3223152, 3581280, 4028940, 4297536, 4775040, 5371920, 5730048, 6446304, 7162560, 8057880, 8595072, 9550080, 10743840, 12892608, 14325120, 16115760, 17190144, 21487680, 25785216, 28650240, 32231520, 42975360, 51570432, 64463040, 85950720, 128926080, 257852160]

約数ペア:

[(1, 257852160), (2, 128926080), (3, 85950720), (4, 64463040), (5, 51570432), (6, 42975360), (8, 32231520), (9, 28650240), (10, 25785216), (12, 21487680), (15, 17190144), (16, 16115760), (18, 14325120), (20, 12892608), (24, 10743840), (27, 9550080), (30, 8595072), (32, 8057880), (36, 7162560), (40, 6446304), (45, 5730048), (48, 5371920), (54, 4775040), (60, 4297536), (64, 4028940), (72, 3581280), (80, 3223152), (81, 3183360), (90, 2865024), (96, 2685960), (108, 2387520), (120, 2148768), (128, 2014470), (135, 1910016), (144, 1790640), (160, 1611576), (162, 1591680), (180, 1432512), (192, 1342980), (216, 1193760), (240, 1074384), (243, 1061120), (256, 1007235), (270, 955008), (288, 895320), (320, 805788), (324, 795840), (360, 716256), (384, 671490), (405, 636672), (432, 596880), (480, 537192), (486, 530560), (540, 477504), (576, 447660), (640, 402894), (648, 397920), (720, 358128), (768, 335745), (810, 318336), (829, 311040), (864, 298440), (960, 268596), (972, 265280), (1080, 238752), (1152, 223830), (1215, 212224), (1280, 201447), (1296, 198960), (1440, 179064), (1620, 159168), (1658, 155520), (1728, 149220), (1920, 134298), (1944, 132640), (2160, 119376), (2304, 111915), (2430, 106112), (2487, 103680), (2592, 99480), (2880, 89532), (3240, 79584), (3316, 77760), (3456, 74610), (3840, 67149), (3888, 66320), (4145, 62208), (4320, 59688), (4860, 53056), (4974, 51840), (5184, 49740), (5760, 44766), (6480, 39792), (6632, 38880), (6912, 37305), (7461, 34560), (7776, 33160), (8290, 31104), (8640, 29844), (9720, 26528), (9948, 25920), (10368, 24870), (11520, 22383), (12435, 20736), (12960, 19896), (13264, 19440), (14922, 17280), (15552, 16580)]