77319760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138071}}^1$

素因数の和:138091

約数の個数: 40

約数和(自身を含む): 205451136

約数和(自身を除く): 128131376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138071, 276142, 552284, 690355, 966497, 1104568, 1380710, 1932994, 2209136, 2761420, 3865988, 4832485, 5522840, 7731976, 9664970, 11045680, 15463952, 19329940, 38659880, 77319760]

約数ペア:

[(1, 77319760), (2, 38659880), (4, 19329940), (5, 15463952), (7, 11045680), (8, 9664970), (10, 7731976), (14, 5522840), (16, 4832485), (20, 3865988), (28, 2761420), (35, 2209136), (40, 1932994), (56, 1380710), (70, 1104568), (80, 966497), (112, 690355), (140, 552284), (280, 276142), (560, 138071)]