28577280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{61}}^2$

素因数の和:148

約数の個数: 120

約数和(自身を含む): 92880216

約数和(自身を除く): 64302936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 305, 320, 366, 384, 480, 488, 512, 610, 640, 732, 768, 915, 960, 976, 1220, 1280, 1464, 1536, 1830, 1920, 1952, 2440, 2560, 2928, 3660, 3721, 3840, 3904, 4880, 5856, 7320, 7442, 7680, 7808, 9760, 11163, 11712, 14640, 14884, 15616, 18605, 19520, 22326, 23424, 29280, 29768, 31232, 37210, 39040, 44652, 46848, 55815, 58560, 59536, 74420, 78080, 89304, 93696, 111630, 117120, 119072, 148840, 156160, 178608, 223260, 234240, 238144, 297680, 357216, 446520, 468480, 476288, 595360, 714432, 893040, 952576, 1190720, 1428864, 1786080, 1905152, 2381440, 2857728, 3572160, 4762880, 5715456, 7144320, 9525760, 14288640, 28577280]

約数ペア:

[(1, 28577280), (2, 14288640), (3, 9525760), (4, 7144320), (5, 5715456), (6, 4762880), (8, 3572160), (10, 2857728), (12, 2381440), (15, 1905152), (16, 1786080), (20, 1428864), (24, 1190720), (30, 952576), (32, 893040), (40, 714432), (48, 595360), (60, 476288), (61, 468480), (64, 446520), (80, 357216), (96, 297680), (120, 238144), (122, 234240), (128, 223260), (160, 178608), (183, 156160), (192, 148840), (240, 119072), (244, 117120), (256, 111630), (305, 93696), (320, 89304), (366, 78080), (384, 74420), (480, 59536), (488, 58560), (512, 55815), (610, 46848), (640, 44652), (732, 39040), (768, 37210), (915, 31232), (960, 29768), (976, 29280), (1220, 23424), (1280, 22326), (1464, 19520), (1536, 18605), (1830, 15616), (1920, 14884), (1952, 14640), (2440, 11712), (2560, 11163), (2928, 9760), (3660, 7808), (3721, 7680), (3840, 7442), (3904, 7320), (4880, 5856)]