221975040

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{4129}}^1$

素因数の和:4162

約数の個数: 160

約数和(自身を含む): 811198080

約数和(自身を除く): 589223040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4129, 4480, 5376, 6720, 7680, 8258, 8960, 10752, 12387, 13440, 16516, 17920, 20645, 24774, 26880, 28903, 33032, 41290, 49548, 53760, 57806, 61935, 66064, 82580, 86709, 99096, 115612, 123870, 132128, 144515, 165160, 173418, 198192, 231224, 247740, 264256, 289030, 330320, 346836, 396384, 433545, 462448, 495480, 528512, 578060, 660640, 693672, 792768, 867090, 924896, 990960, 1057024, 1156120, 1321280, 1387344, 1585536, 1734180, 1849792, 1981920, 2114048, 2312240, 2642560, 2774688, 3171072, 3468360, 3699584, 3963840, 4624480, 5285120, 5549376, 6342144, 6936720, 7399168, 7927680, 9248960, 10570240, 11098752, 13873440, 14798336, 15855360, 18497920, 22197504, 27746880, 31710720, 36995840, 44395008, 55493760, 73991680, 110987520, 221975040]

約数ペア:

[(1, 221975040), (2, 110987520), (3, 73991680), (4, 55493760), (5, 44395008), (6, 36995840), (7, 31710720), (8, 27746880), (10, 22197504), (12, 18497920), (14, 15855360), (15, 14798336), (16, 13873440), (20, 11098752), (21, 10570240), (24, 9248960), (28, 7927680), (30, 7399168), (32, 6936720), (35, 6342144), (40, 5549376), (42, 5285120), (48, 4624480), (56, 3963840), (60, 3699584), (64, 3468360), (70, 3171072), (80, 2774688), (84, 2642560), (96, 2312240), (105, 2114048), (112, 1981920), (120, 1849792), (128, 1734180), (140, 1585536), (160, 1387344), (168, 1321280), (192, 1156120), (210, 1057024), (224, 990960), (240, 924896), (256, 867090), (280, 792768), (320, 693672), (336, 660640), (384, 578060), (420, 528512), (448, 495480), (480, 462448), (512, 433545), (560, 396384), (640, 346836), (672, 330320), (768, 289030), (840, 264256), (896, 247740), (960, 231224), (1120, 198192), (1280, 173418), (1344, 165160), (1536, 144515), (1680, 132128), (1792, 123870), (1920, 115612), (2240, 99096), (2560, 86709), (2688, 82580), (3360, 66064), (3584, 61935), (3840, 57806), (4129, 53760), (4480, 49548), (5376, 41290), (6720, 33032), (7680, 28903), (8258, 26880), (8960, 24774), (10752, 20645), (12387, 17920), (13440, 16516)]