820997760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38873}}^1$

素因数の和:38906

約数の個数: 128

約数和(自身を含む): 2854906560

約数和(自身を除く): 2033908800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 4224, 5280, 7040, 10560, 21120, 38873, 77746, 116619, 155492, 194365, 233238, 310984, 388730, 427603, 466476, 583095, 621968, 777460, 855206, 932952, 1166190, 1243936, 1282809, 1554920, 1710412, 1865904, 2138015, 2332380, 2487872, 2565618, 3109840, 3420824, 3731808, 4276030, 4664760, 4975744, 5131236, 6219680, 6414045, 6841648, 7463616, 8552060, 9329520, 10262472, 12439360, 12828090, 13683296, 14927232, 17104120, 18659040, 20524944, 24878720, 25656180, 27366592, 34208240, 37318080, 41049888, 51312360, 54733184, 68416480, 74636160, 82099776, 102624720, 136832960, 164199552, 205249440, 273665920, 410498880, 820997760]

約数ペア:

[(1, 820997760), (2, 410498880), (3, 273665920), (4, 205249440), (5, 164199552), (6, 136832960), (8, 102624720), (10, 82099776), (11, 74636160), (12, 68416480), (15, 54733184), (16, 51312360), (20, 41049888), (22, 37318080), (24, 34208240), (30, 27366592), (32, 25656180), (33, 24878720), (40, 20524944), (44, 18659040), (48, 17104120), (55, 14927232), (60, 13683296), (64, 12828090), (66, 12439360), (80, 10262472), (88, 9329520), (96, 8552060), (110, 7463616), (120, 6841648), (128, 6414045), (132, 6219680), (160, 5131236), (165, 4975744), (176, 4664760), (192, 4276030), (220, 3731808), (240, 3420824), (264, 3109840), (320, 2565618), (330, 2487872), (352, 2332380), (384, 2138015), (440, 1865904), (480, 1710412), (528, 1554920), (640, 1282809), (660, 1243936), (704, 1166190), (880, 932952), (960, 855206), (1056, 777460), (1320, 621968), (1408, 583095), (1760, 466476), (1920, 427603), (2112, 388730), (2640, 310984), (3520, 233238), (4224, 194365), (5280, 155492), (7040, 116619), (10560, 77746), (21120, 38873)]