71925420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171251}}^1$

素因数の和:171270

約数の個数: 48

約数和(自身を含む): 230162688

約数和(自身を除く): 158237268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 171251, 342502, 513753, 685004, 856255, 1027506, 1198757, 1712510, 2055012, 2397514, 2568765, 3425020, 3596271, 4795028, 5137530, 5993785, 7192542, 10275060, 11987570, 14385084, 17981355, 23975140, 35962710, 71925420]

約数ペア:

[(1, 71925420), (2, 35962710), (3, 23975140), (4, 17981355), (5, 14385084), (6, 11987570), (7, 10275060), (10, 7192542), (12, 5993785), (14, 5137530), (15, 4795028), (20, 3596271), (21, 3425020), (28, 2568765), (30, 2397514), (35, 2055012), (42, 1712510), (60, 1198757), (70, 1027506), (84, 856255), (105, 685004), (140, 513753), (210, 342502), (420, 171251)]