128213760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 413983584

約数和(自身を除く): 285769824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 173, 192, 193, 240, 256, 320, 346, 384, 386, 480, 519, 579, 640, 692, 768, 772, 865, 960, 965, 1038, 1158, 1280, 1384, 1544, 1730, 1920, 1930, 2076, 2316, 2595, 2768, 2895, 3088, 3460, 3840, 3860, 4152, 4632, 5190, 5536, 5790, 6176, 6920, 7720, 8304, 9264, 10380, 11072, 11580, 12352, 13840, 15440, 16608, 18528, 20760, 22144, 23160, 24704, 27680, 30880, 33216, 33389, 37056, 41520, 44288, 46320, 49408, 55360, 61760, 66432, 66778, 74112, 83040, 92640, 100167, 110720, 123520, 132864, 133556, 148224, 166080, 166945, 185280, 200334, 221440, 247040, 267112, 332160, 333890, 370560, 400668, 500835, 534224, 664320, 667780, 741120, 801336, 1001670, 1068448, 1335560, 1602672, 2003340, 2136896, 2671120, 3205344, 4006680, 4273792, 5342240, 6410688, 8013360, 8547584, 10684480, 12821376, 16026720, 21368960, 25642752, 32053440, 42737920, 64106880, 128213760]

約数ペア:

[(1, 128213760), (2, 64106880), (3, 42737920), (4, 32053440), (5, 25642752), (6, 21368960), (8, 16026720), (10, 12821376), (12, 10684480), (15, 8547584), (16, 8013360), (20, 6410688), (24, 5342240), (30, 4273792), (32, 4006680), (40, 3205344), (48, 2671120), (60, 2136896), (64, 2003340), (80, 1602672), (96, 1335560), (120, 1068448), (128, 1001670), (160, 801336), (173, 741120), (192, 667780), (193, 664320), (240, 534224), (256, 500835), (320, 400668), (346, 370560), (384, 333890), (386, 332160), (480, 267112), (519, 247040), (579, 221440), (640, 200334), (692, 185280), (768, 166945), (772, 166080), (865, 148224), (960, 133556), (965, 132864), (1038, 123520), (1158, 110720), (1280, 100167), (1384, 92640), (1544, 83040), (1730, 74112), (1920, 66778), (1930, 66432), (2076, 61760), (2316, 55360), (2595, 49408), (2768, 46320), (2895, 44288), (3088, 41520), (3460, 37056), (3840, 33389), (3860, 33216), (4152, 30880), (4632, 27680), (5190, 24704), (5536, 23160), (5790, 22144), (6176, 20760), (6920, 18528), (7720, 16608), (8304, 15440), (9264, 13840), (10380, 12352), (11072, 11580)]