15664640

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 80

約数和(自身を含む): 39037680

約数和(自身を除く): 23373040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 211, 232, 256, 290, 320, 422, 464, 512, 580, 640, 844, 928, 1055, 1160, 1280, 1688, 1856, 2110, 2320, 2560, 3376, 3712, 4220, 4640, 6119, 6752, 7424, 8440, 9280, 12238, 13504, 14848, 16880, 18560, 24476, 27008, 30595, 33760, 37120, 48952, 54016, 61190, 67520, 74240, 97904, 108032, 122380, 135040, 195808, 244760, 270080, 391616, 489520, 540160, 783232, 979040, 1566464, 1958080, 3132928, 3916160, 7832320, 15664640]

約数ペア:

[(1, 15664640), (2, 7832320), (4, 3916160), (5, 3132928), (8, 1958080), (10, 1566464), (16, 979040), (20, 783232), (29, 540160), (32, 489520), (40, 391616), (58, 270080), (64, 244760), (80, 195808), (116, 135040), (128, 122380), (145, 108032), (160, 97904), (211, 74240), (232, 67520), (256, 61190), (290, 54016), (320, 48952), (422, 37120), (464, 33760), (512, 30595), (580, 27008), (640, 24476), (844, 18560), (928, 16880), (1055, 14848), (1160, 13504), (1280, 12238), (1688, 9280), (1856, 8440), (2110, 7424), (2320, 6752), (2560, 6119), (3376, 4640), (3712, 4220)]