20160865980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12444979}}^1$

素因数の和:12445000

約数の個数: 60

約数和(自身を含む): 63245388360

約数和(自身を除く): 43084522380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12444979, 24889958, 37334937, 49779916, 62224895, 74669874, 112004811, 124449790, 149339748, 186674685, 224009622, 248899580, 336014433, 373349370, 448019244, 560024055, 672028866, 746698740, 1008043299, 1120048110, 1344057732, 1680072165, 2016086598, 2240096220, 3360144330, 4032173196, 5040216495, 6720288660, 10080432990, 20160865980]

約数ペア:

[(1, 20160865980), (2, 10080432990), (3, 6720288660), (4, 5040216495), (5, 4032173196), (6, 3360144330), (9, 2240096220), (10, 2016086598), (12, 1680072165), (15, 1344057732), (18, 1120048110), (20, 1008043299), (27, 746698740), (30, 672028866), (36, 560024055), (45, 448019244), (54, 373349370), (60, 336014433), (81, 248899580), (90, 224009622), (108, 186674685), (135, 149339748), (162, 124449790), (180, 112004811), (270, 74669874), (324, 62224895), (405, 49779916), (540, 37334937), (810, 24889958), (1620, 12444979)]