28053120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:810

約数の個数: 128

約数和(自身を含む): 94248000

約数和(自身を除く): 66194880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 769, 912, 960, 1140, 1216, 1520, 1538, 1824, 1920, 2280, 2307, 2432, 3040, 3076, 3648, 3845, 4560, 4614, 6080, 6152, 7296, 7690, 9120, 9228, 11535, 12160, 12304, 14611, 15380, 18240, 18456, 23070, 24608, 29222, 30760, 36480, 36912, 43833, 46140, 49216, 58444, 61520, 73055, 73824, 87666, 92280, 98432, 116888, 123040, 146110, 147648, 175332, 184560, 219165, 233776, 246080, 292220, 295296, 350664, 369120, 438330, 467552, 492160, 584440, 701328, 738240, 876660, 935104, 1168880, 1402656, 1476480, 1753320, 1870208, 2337760, 2805312, 3506640, 4675520, 5610624, 7013280, 9351040, 14026560, 28053120]

約数ペア:

[(1, 28053120), (2, 14026560), (3, 9351040), (4, 7013280), (5, 5610624), (6, 4675520), (8, 3506640), (10, 2805312), (12, 2337760), (15, 1870208), (16, 1753320), (19, 1476480), (20, 1402656), (24, 1168880), (30, 935104), (32, 876660), (38, 738240), (40, 701328), (48, 584440), (57, 492160), (60, 467552), (64, 438330), (76, 369120), (80, 350664), (95, 295296), (96, 292220), (114, 246080), (120, 233776), (128, 219165), (152, 184560), (160, 175332), (190, 147648), (192, 146110), (228, 123040), (240, 116888), (285, 98432), (304, 92280), (320, 87666), (380, 73824), (384, 73055), (456, 61520), (480, 58444), (570, 49216), (608, 46140), (640, 43833), (760, 36912), (769, 36480), (912, 30760), (960, 29222), (1140, 24608), (1216, 23070), (1520, 18456), (1538, 18240), (1824, 15380), (1920, 14611), (2280, 12304), (2307, 12160), (2432, 11535), (3040, 9228), (3076, 9120), (3648, 7690), (3845, 7296), (4560, 6152), (4614, 6080)]