1286557728

素因数分解:

$2^5\times 3^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1\times {\mathrm{499}}^1$

素因数の和:870

約数の個数: 96

約数和(自身を含む): 3429216000

約数和(自身を除く): 2142658272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 107, 214, 251, 321, 428, 499, 502, 642, 753, 856, 998, 1004, 1284, 1497, 1506, 1712, 1996, 2008, 2568, 2994, 3012, 3424, 3992, 4016, 5136, 5988, 6024, 7984, 8032, 10272, 11976, 12048, 15968, 23952, 24096, 26857, 47904, 53393, 53714, 80571, 106786, 107428, 125249, 160179, 161142, 213572, 214856, 250498, 320358, 322284, 375747, 427144, 429712, 500996, 640716, 644568, 751494, 854288, 859424, 1001992, 1281432, 1289136, 1502988, 1708576, 2003984, 2562864, 2578272, 3005976, 4007968, 5125728, 6011952, 12023904, 13401643, 26803286, 40204929, 53606572, 80409858, 107213144, 160819716, 214426288, 321639432, 428852576, 643278864, 1286557728]

約数ペア:

[(1, 1286557728), (2, 643278864), (3, 428852576), (4, 321639432), (6, 214426288), (8, 160819716), (12, 107213144), (16, 80409858), (24, 53606572), (32, 40204929), (48, 26803286), (96, 13401643), (107, 12023904), (214, 6011952), (251, 5125728), (321, 4007968), (428, 3005976), (499, 2578272), (502, 2562864), (642, 2003984), (753, 1708576), (856, 1502988), (998, 1289136), (1004, 1281432), (1284, 1001992), (1497, 859424), (1506, 854288), (1712, 751494), (1996, 644568), (2008, 640716), (2568, 500996), (2994, 429712), (3012, 427144), (3424, 375747), (3992, 322284), (4016, 320358), (5136, 250498), (5988, 214856), (6024, 213572), (7984, 161142), (8032, 160179), (10272, 125249), (11976, 107428), (12048, 106786), (15968, 80571), (23952, 53714), (24096, 53393), (26857, 47904)]