51751980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13691}}^1$

素因数の和:13716

約数の個数: 96

約数和(自身を含む): 184020480

約数和(自身を除く): 132268500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 13691, 27382, 41073, 54764, 68455, 82146, 95837, 123219, 136910, 164292, 191674, 205365, 246438, 273820, 287511, 369657, 383348, 410730, 479185, 492876, 575022, 616095, 739314, 821460, 862533, 958370, 1150044, 1232190, 1437555, 1478628, 1725066, 1848285, 1916740, 2464380, 2587599, 2875110, 3450132, 3696570, 4312665, 5175198, 5750220, 7393140, 8625330, 10350396, 12937995, 17250660, 25875990, 51751980]

約数ペア:

[(1, 51751980), (2, 25875990), (3, 17250660), (4, 12937995), (5, 10350396), (6, 8625330), (7, 7393140), (9, 5750220), (10, 5175198), (12, 4312665), (14, 3696570), (15, 3450132), (18, 2875110), (20, 2587599), (21, 2464380), (27, 1916740), (28, 1848285), (30, 1725066), (35, 1478628), (36, 1437555), (42, 1232190), (45, 1150044), (54, 958370), (60, 862533), (63, 821460), (70, 739314), (84, 616095), (90, 575022), (105, 492876), (108, 479185), (126, 410730), (135, 383348), (140, 369657), (180, 287511), (189, 273820), (210, 246438), (252, 205365), (270, 191674), (315, 164292), (378, 136910), (420, 123219), (540, 95837), (630, 82146), (756, 68455), (945, 54764), (1260, 41073), (1890, 27382), (3780, 13691)]