1890840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2251}}^1$

素因数の和:2272

約数の個数: 64

約数和(自身を含む): 6485760

約数和(自身を除く): 4594920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2251, 4502, 6753, 9004, 11255, 13506, 15757, 18008, 22510, 27012, 31514, 33765, 45020, 47271, 54024, 63028, 67530, 78785, 90040, 94542, 126056, 135060, 157570, 189084, 236355, 270120, 315140, 378168, 472710, 630280, 945420, 1890840]

約数ペア:

[(1, 1890840), (2, 945420), (3, 630280), (4, 472710), (5, 378168), (6, 315140), (7, 270120), (8, 236355), (10, 189084), (12, 157570), (14, 135060), (15, 126056), (20, 94542), (21, 90040), (24, 78785), (28, 67530), (30, 63028), (35, 54024), (40, 47271), (42, 45020), (56, 33765), (60, 31514), (70, 27012), (84, 22510), (105, 18008), (120, 15757), (140, 13506), (168, 11255), (210, 9004), (280, 6753), (420, 4502), (840, 2251)]