81766720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:408

約数の個数: 112

約数和(自身を含む): 224869248

約数和(自身を除く): 143102528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 173, 211, 224, 280, 320, 346, 422, 448, 560, 692, 844, 865, 1055, 1120, 1211, 1384, 1477, 1688, 1730, 2110, 2240, 2422, 2768, 2954, 3376, 3460, 4220, 4844, 5536, 5908, 6055, 6752, 6920, 7385, 8440, 9688, 11072, 11816, 12110, 13504, 13840, 14770, 16880, 19376, 23632, 24220, 27680, 29540, 33760, 36503, 38752, 47264, 48440, 55360, 59080, 67520, 73006, 77504, 94528, 96880, 118160, 146012, 182515, 193760, 236320, 255521, 292024, 365030, 387520, 472640, 511042, 584048, 730060, 1022084, 1168096, 1277605, 1460120, 2044168, 2336192, 2555210, 2920240, 4088336, 5110420, 5840480, 8176672, 10220840, 11680960, 16353344, 20441680, 40883360, 81766720]

約数ペア:

[(1, 81766720), (2, 40883360), (4, 20441680), (5, 16353344), (7, 11680960), (8, 10220840), (10, 8176672), (14, 5840480), (16, 5110420), (20, 4088336), (28, 2920240), (32, 2555210), (35, 2336192), (40, 2044168), (56, 1460120), (64, 1277605), (70, 1168096), (80, 1022084), (112, 730060), (140, 584048), (160, 511042), (173, 472640), (211, 387520), (224, 365030), (280, 292024), (320, 255521), (346, 236320), (422, 193760), (448, 182515), (560, 146012), (692, 118160), (844, 96880), (865, 94528), (1055, 77504), (1120, 73006), (1211, 67520), (1384, 59080), (1477, 55360), (1688, 48440), (1730, 47264), (2110, 38752), (2240, 36503), (2422, 33760), (2768, 29540), (2954, 27680), (3376, 24220), (3460, 23632), (4220, 19376), (4844, 16880), (5536, 14770), (5908, 13840), (6055, 13504), (6752, 12110), (6920, 11816), (7385, 11072), (8440, 9688)]