2577798225

素因数分解:

$3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1181}}^1$

素因数の和:1395

約数の個数: 72

約数和(自身を含む): 4715825400

約数和(自身を除く): 2138027175

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 109, 225, 267, 327, 445, 545, 801, 981, 1181, 1335, 1635, 2225, 2725, 3543, 4005, 4905, 5905, 6675, 8175, 9701, 10629, 17715, 20025, 24525, 29103, 29525, 48505, 53145, 87309, 88575, 105109, 128729, 145515, 242525, 265725, 315327, 386187, 436545, 525545, 643645, 727575, 945981, 1158561, 1576635, 1930935, 2182725, 2627725, 3218225, 4729905, 5792805, 7883175, 9654675, 11456881, 23649525, 28964025, 34370643, 57284405, 103111929, 171853215, 286422025, 515559645, 859266075, 2577798225]

約数ペア:

[(1, 2577798225), (3, 859266075), (5, 515559645), (9, 286422025), (15, 171853215), (25, 103111929), (45, 57284405), (75, 34370643), (89, 28964025), (109, 23649525), (225, 11456881), (267, 9654675), (327, 7883175), (445, 5792805), (545, 4729905), (801, 3218225), (981, 2627725), (1181, 2182725), (1335, 1930935), (1635, 1576635), (2225, 1158561), (2725, 945981), (3543, 727575), (4005, 643645), (4905, 525545), (5905, 436545), (6675, 386187), (8175, 315327), (9701, 265725), (10629, 242525), (17715, 145515), (20025, 128729), (24525, 105109), (29103, 88575), (29525, 87309), (48505, 53145)]