15785420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2399}}^1$

素因数の和:2462

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 22921780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2399, 3290, 4798, 6580, 9596, 11995, 16793, 23990, 33586, 47980, 67172, 83965, 112753, 167930, 225506, 335860, 451012, 563765, 789271, 1127530, 1578542, 2255060, 3157084, 3946355, 7892710, 15785420]

約数ペア:

[(1, 15785420), (2, 7892710), (4, 3946355), (5, 3157084), (7, 2255060), (10, 1578542), (14, 1127530), (20, 789271), (28, 563765), (35, 451012), (47, 335860), (70, 225506), (94, 167930), (140, 112753), (188, 83965), (235, 67172), (329, 47980), (470, 33586), (658, 23990), (940, 16793), (1316, 11995), (1645, 9596), (2399, 6580), (3290, 4798)]