137970840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{164251}}^1$

素因数の和:164272

約数の個数: 64

約数和(自身を含む): 473045760

約数和(自身を除く): 335074920

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, 164251, 328502, 492753, 657004, 821255, 985506, 1149757, 1314008, 1642510, 1971012, 2299514, 2463765, 3285020, 3449271, 3942024, 4599028, 4927530, 5748785, 6570040, 6898542, 9198056, 9855060, 11497570, 13797084, 17246355, 19710120, 22995140, 27594168, 34492710, 45990280, 68985420, 137970840]

約数ペア:

[(1, 137970840), (2, 68985420), (3, 45990280), (4, 34492710), (5, 27594168), (6, 22995140), (7, 19710120), (8, 17246355), (10, 13797084), (12, 11497570), (14, 9855060), (15, 9198056), (20, 6898542), (21, 6570040), (24, 5748785), (28, 4927530), (30, 4599028), (35, 3942024), (40, 3449271), (42, 3285020), (56, 2463765), (60, 2299514), (70, 1971012), (84, 1642510), (105, 1314008), (120, 1149757), (140, 985506), (168, 821255), (210, 657004), (280, 492753), (420, 328502), (840, 164251)]