61680075

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 106064640

約数和(自身を除く): 44384565

約数列:

[1, 3, 5, 15, 25, 53, 59, 75, 159, 177, 263, 265, 295, 789, 795, 885, 1315, 1325, 1475, 3127, 3945, 3975, 4425, 6575, 9381, 13939, 15517, 15635, 19725, 41817, 46551, 46905, 69695, 77585, 78175, 209085, 232755, 234525, 348475, 387925, 822401, 1045425, 1163775, 2467203, 4112005, 12336015, 20560025, 61680075]

約数ペア:

[(1, 61680075), (3, 20560025), (5, 12336015), (15, 4112005), (25, 2467203), (53, 1163775), (59, 1045425), (75, 822401), (159, 387925), (177, 348475), (263, 234525), (265, 232755), (295, 209085), (789, 78175), (795, 77585), (885, 69695), (1315, 46905), (1325, 46551), (1475, 41817), (3127, 19725), (3945, 15635), (3975, 15517), (4425, 13939), (6575, 9381)]