1689900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 5041344

約数和(自身を除く): 3351444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 131, 150, 172, 215, 258, 262, 300, 393, 430, 516, 524, 645, 655, 786, 860, 1075, 1290, 1310, 1572, 1965, 2150, 2580, 2620, 3225, 3275, 3930, 4300, 5633, 6450, 6550, 7860, 9825, 11266, 12900, 13100, 16899, 19650, 22532, 28165, 33798, 39300, 56330, 67596, 84495, 112660, 140825, 168990, 281650, 337980, 422475, 563300, 844950, 1689900]

約数ペア:

[(1, 1689900), (2, 844950), (3, 563300), (4, 422475), (5, 337980), (6, 281650), (10, 168990), (12, 140825), (15, 112660), (20, 84495), (25, 67596), (30, 56330), (43, 39300), (50, 33798), (60, 28165), (75, 22532), (86, 19650), (100, 16899), (129, 13100), (131, 12900), (150, 11266), (172, 9825), (215, 7860), (258, 6550), (262, 6450), (300, 5633), (393, 4300), (430, 3930), (516, 3275), (524, 3225), (645, 2620), (655, 2580), (786, 2150), (860, 1965), (1075, 1572), (1290, 1310)]