28619520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 94923360

約数和(自身を除く): 66303840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 192, 232, 240, 256, 257, 290, 320, 348, 384, 435, 464, 480, 514, 580, 640, 696, 768, 771, 870, 928, 960, 1028, 1160, 1280, 1285, 1392, 1542, 1740, 1856, 1920, 2056, 2320, 2570, 2784, 3084, 3480, 3712, 3840, 3855, 4112, 4640, 5140, 5568, 6168, 6960, 7424, 7453, 7710, 8224, 9280, 10280, 11136, 12336, 13920, 14906, 15420, 16448, 18560, 20560, 22272, 22359, 24672, 27840, 29812, 30840, 32896, 37120, 37265, 41120, 44718, 49344, 55680, 59624, 61680, 65792, 74530, 82240, 89436, 98688, 111360, 111795, 119248, 123360, 149060, 164480, 178872, 197376, 223590, 238496, 246720, 298120, 328960, 357744, 447180, 476992, 493440, 596240, 715488, 894360, 953984, 986880, 1192480, 1430976, 1788720, 1907968, 2384960, 2861952, 3577440, 4769920, 5723904, 7154880, 9539840, 14309760, 28619520]

約数ペア:

[(1, 28619520), (2, 14309760), (3, 9539840), (4, 7154880), (5, 5723904), (6, 4769920), (8, 3577440), (10, 2861952), (12, 2384960), (15, 1907968), (16, 1788720), (20, 1430976), (24, 1192480), (29, 986880), (30, 953984), (32, 894360), (40, 715488), (48, 596240), (58, 493440), (60, 476992), (64, 447180), (80, 357744), (87, 328960), (96, 298120), (116, 246720), (120, 238496), (128, 223590), (145, 197376), (160, 178872), (174, 164480), (192, 149060), (232, 123360), (240, 119248), (256, 111795), (257, 111360), (290, 98688), (320, 89436), (348, 82240), (384, 74530), (435, 65792), (464, 61680), (480, 59624), (514, 55680), (580, 49344), (640, 44718), (696, 41120), (768, 37265), (771, 37120), (870, 32896), (928, 30840), (960, 29812), (1028, 27840), (1160, 24672), (1280, 22359), (1285, 22272), (1392, 20560), (1542, 18560), (1740, 16448), (1856, 15420), (1920, 14906), (2056, 13920), (2320, 12336), (2570, 11136), (2784, 10280), (3084, 9280), (3480, 8224), (3712, 7710), (3840, 7453), (3855, 7424), (4112, 6960), (4640, 6168), (5140, 5568)]